Home / 15,807,666.30-21,814,021.08-8,932,000.74

Finding the Fourth Proportional to 15,807,666.30, 21,814,021.08 and 8,932,000.74

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Solution

The fourth proportional to 15,807,666.30, 21,814,021.08 and 8,932,000.74 is: 12,325,845.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807,666.30 : 21,814,021.08 = 8,932,000.74 : x
  2. Step 2: Convert to fraction form
    15,807,666.30/21,814,021.08 = 8,932,000.74/x
  3. Step 3: Cross multiply
    15,807,666.30x = 21,814,021.08 × 8,932,000.74
  4. Step 4: Simplify right side
    15,807,666.30x = 194,842,852,428,935.59
  5. Step 5: Solve for x
    x = 194,842,852,428,935.59/15,807,666.30
  6. Step 6: Final answer
    x = 12,325,845.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.