Home / 29,442,838.56-40,631,829.29-16,390,979.70

Finding the Fourth Proportional to 29,442,838.56, 40,631,829.29 and 16,390,979.70

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Solution

The fourth proportional to 29,442,838.56, 40,631,829.29 and 16,390,979.70 is: 22,619,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,442,838.56 : 40,631,829.29 = 16,390,979.70 : x
  2. Step 2: Convert to fraction form
    29,442,838.56/40,631,829.29 = 16,390,979.70/x
  3. Step 3: Cross multiply
    29,442,838.56x = 40,631,829.29 × 16,390,979.70
  4. Step 4: Simplify right side
    29,442,838.56x = 665,995,489,066,255.38
  5. Step 5: Solve for x
    x = 665,995,489,066,255.38/29,442,838.56
  6. Step 6: Final answer
    x = 22,619,948.40

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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.