Home / 28,864,572.60-39,833,117.67-15,812,295.53

Finding the Fourth Proportional to 28,864,572.60, 39,833,117.67 and 15,812,295.53

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Solution

The fourth proportional to 28,864,572.60, 39,833,117.67 and 15,812,295.53 is: 21,820,971.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864,572.60 : 39,833,117.67 = 15,812,295.53 : x
  2. Step 2: Convert to fraction form
    28,864,572.60/39,833,117.67 = 15,812,295.53/x
  3. Step 3: Cross multiply
    28,864,572.60x = 39,833,117.67 × 15,812,295.53
  4. Step 4: Simplify right side
    28,864,572.60x = 629,853,028,280,139.50
  5. Step 5: Solve for x
    x = 629,853,028,280,139.50/28,864,572.60
  6. Step 6: Final answer
    x = 21,820,971.92

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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.