Home / 16,381,121.79-22,610,444.54-9,507,818.19

Finding the Fourth Proportional to 16,381,121.79, 22,610,444.54 and 9,507,818.19

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Solution

The fourth proportional to 16,381,121.79, 22,610,444.54 and 9,507,818.19 is: 13,123,398.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,381,121.79 : 22,610,444.54 = 9,507,818.19 : x
  2. Step 2: Convert to fraction form
    16,381,121.79/22,610,444.54 = 9,507,818.19/x
  3. Step 3: Cross multiply
    16,381,121.79x = 22,610,444.54 × 9,507,818.19
  4. Step 4: Simplify right side
    16,381,121.79x = 214,975,995,881,398.16
  5. Step 5: Solve for x
    x = 214,975,995,881,398.16/16,381,121.79
  6. Step 6: Final answer
    x = 13,123,398.91

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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.