Home / 6,518,745.10-9,778,117.65-6,242,308.30

Finding the Fourth Proportional to 6,518,745.10, 9,778,117.65 and 6,242,308.30

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Solution

The fourth proportional to 6,518,745.10, 9,778,117.65 and 6,242,308.30 is: 9,363,462.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518,745.10 : 9,778,117.65 = 6,242,308.30 : x
  2. Step 2: Convert to fraction form
    6,518,745.10/9,778,117.65 = 6,242,308.30/x
  3. Step 3: Cross multiply
    6,518,745.10x = 9,778,117.65 × 6,242,308.30
  4. Step 4: Simplify right side
    6,518,745.10x = 61,038,024,964,971.49
  5. Step 5: Solve for x
    x = 61,038,024,964,971.49/6,518,745.10
  6. Step 6: Final answer
    x = 9,363,462.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.