Home / 15,572,099.80-21,333,420.35-14,989,892.44

Finding the Fourth Proportional to 15,572,099.80, 21,333,420.35 and 14,989,892.44

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Solution

The fourth proportional to 15,572,099.80, 21,333,420.35 and 14,989,892.44 is: 20,535,809.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572,099.80 : 21,333,420.35 = 14,989,892.44 : x
  2. Step 2: Convert to fraction form
    15,572,099.80/21,333,420.35 = 14,989,892.44/x
  3. Step 3: Cross multiply
    15,572,099.80x = 21,333,420.35 × 14,989,892.44
  4. Step 4: Simplify right side
    15,572,099.80x = 319,785,676,423,807.19
  5. Step 5: Solve for x
    x = 319,785,676,423,807.19/15,572,099.80
  6. Step 6: Final answer
    x = 20,535,809.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.