Home / 12,456,854.60-18,685,281.90-9,937,430.60

Finding the Fourth Proportional to 12,456,854.60, 18,685,281.90 and 9,937,430.60

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Solution

The fourth proportional to 12,456,854.60, 18,685,281.90 and 9,937,430.60 is: 14,906,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,854.60 : 18,685,281.90 = 9,937,430.60 : x
  2. Step 2: Convert to fraction form
    12,456,854.60/18,685,281.90 = 9,937,430.60/x
  3. Step 3: Cross multiply
    12,456,854.60x = 18,685,281.90 × 9,937,430.60
  4. Step 4: Simplify right side
    12,456,854.60x = 185,683,692,122,686.12
  5. Step 5: Solve for x
    x = 185,683,692,122,686.12/12,456,854.60
  6. Step 6: Final answer
    x = 14,906,145.90

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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.