Home / 8,778,210.40-13,167,315.60-7,715,328.40

Finding the Fourth Proportional to 8,778,210.40, 13,167,315.60 and 7,715,328.40

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Solution

The fourth proportional to 8,778,210.40, 13,167,315.60 and 7,715,328.40 is: 11,572,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,210.40 : 13,167,315.60 = 7,715,328.40 : x
  2. Step 2: Convert to fraction form
    8,778,210.40/13,167,315.60 = 7,715,328.40/x
  3. Step 3: Cross multiply
    8,778,210.40x = 13,167,315.60 × 7,715,328.40
  4. Step 4: Simplify right side
    8,778,210.40x = 101,590,164,000,443.05
  5. Step 5: Solve for x
    x = 101,590,164,000,443.05/8,778,210.40
  6. Step 6: Final answer
    x = 11,572,992.60

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Similar ratio
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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.