Home / 11,988,445.64-16,545,337.08-7,345,312.05

Finding the Fourth Proportional to 11,988,445.64, 16,545,337.08 and 7,345,312.05

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Solution

The fourth proportional to 11,988,445.64, 16,545,337.08 and 7,345,312.05 is: 10,137,316.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988,445.64 : 16,545,337.08 = 7,345,312.05 : x
  2. Step 2: Convert to fraction form
    11,988,445.64/16,545,337.08 = 7,345,312.05/x
  3. Step 3: Cross multiply
    11,988,445.64x = 16,545,337.08 × 7,345,312.05
  4. Step 4: Simplify right side
    11,988,445.64x = 121,530,663,825,035.81
  5. Step 5: Solve for x
    x = 121,530,663,825,035.81/11,988,445.64
  6. Step 6: Final answer
    x = 10,137,316.17

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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.