Home / 28,917,275.11-39,905,836.68-16,358,061.44

Finding the Fourth Proportional to 28,917,275.11, 39,905,836.68 and 16,358,061.44

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Solution

The fourth proportional to 28,917,275.11, 39,905,836.68 and 16,358,061.44 is: 22,574,123.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,917,275.11 : 39,905,836.68 = 16,358,061.44 : x
  2. Step 2: Convert to fraction form
    28,917,275.11/39,905,836.68 = 16,358,061.44/x
  3. Step 3: Cross multiply
    28,917,275.11x = 39,905,836.68 × 16,358,061.44
  4. Step 4: Simplify right side
    28,917,275.11x = 652,782,128,387,153
  5. Step 5: Solve for x
    x = 652,782,128,387,153/28,917,275.11
  6. Step 6: Final answer
    x = 22,574,123.11

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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.