Home / 12,916,707.60-19,375,061.40-5,341,155.60

Finding the Fourth Proportional to 12,916,707.60, 19,375,061.40 and 5,341,155.60

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Solution

The fourth proportional to 12,916,707.60, 19,375,061.40 and 5,341,155.60 is: 8,011,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,916,707.60 : 19,375,061.40 = 5,341,155.60 : x
  2. Step 2: Convert to fraction form
    12,916,707.60/19,375,061.40 = 5,341,155.60/x
  3. Step 3: Cross multiply
    12,916,707.60x = 19,375,061.40 × 5,341,155.60
  4. Step 4: Simplify right side
    12,916,707.60x = 103,485,217,696,953.83
  5. Step 5: Solve for x
    x = 103,485,217,696,953.83/12,916,707.60
  6. Step 6: Final answer
    x = 8,011,733.40

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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.