Home / 39,178,545.60-58,767,818.40-21,262,641.60

Finding the Fourth Proportional to 39,178,545.60, 58,767,818.40 and 21,262,641.60

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Solution

The fourth proportional to 39,178,545.60, 58,767,818.40 and 21,262,641.60 is: 31,893,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,178,545.60 : 58,767,818.40 = 21,262,641.60 : x
  2. Step 2: Convert to fraction form
    39,178,545.60/58,767,818.40 = 21,262,641.60/x
  3. Step 3: Cross multiply
    39,178,545.60x = 58,767,818.40 × 21,262,641.60
  4. Step 4: Simplify right side
    39,178,545.60x = 1,249,559,060,253,085.50
  5. Step 5: Solve for x
    x = 1,249,559,060,253,085.50/39,178,545.60
  6. Step 6: Final answer
    x = 31,893,962.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.