Home / 12,472,307.20-18,722,457.60-9,644,953.60

Finding the Fourth Proportional to 12,472,307.20, 18,722,457.60 and 9,644,953.60

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Solution

The fourth proportional to 12,472,307.20, 18,722,457.60 and 9,644,953.60 is: 14,478,254.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,307.20 : 18,722,457.60 = 9,644,953.60 : x
  2. Step 2: Convert to fraction form
    12,472,307.20/18,722,457.60 = 9,644,953.60/x
  3. Step 3: Cross multiply
    12,472,307.20x = 18,722,457.60 × 9,644,953.60
  4. Step 4: Simplify right side
    12,472,307.20x = 180,577,234,829,967.38
  5. Step 5: Solve for x
    x = 180,577,234,829,967.38/12,472,307.20
  6. Step 6: Final answer
    x = 14,478,254.26

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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.