Home / 10,282,097.52-15,331,221.52-9,999,603.40

Finding the Fourth Proportional to 10,282,097.52, 15,331,221.52 and 9,999,603.40

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Solution

The fourth proportional to 10,282,097.52, 15,331,221.52 and 9,999,603.40 is: 14,910,005.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282,097.52 : 15,331,221.52 = 9,999,603.40 : x
  2. Step 2: Convert to fraction form
    10,282,097.52/15,331,221.52 = 9,999,603.40/x
  3. Step 3: Cross multiply
    10,282,097.52x = 15,331,221.52 × 9,999,603.40
  4. Step 4: Simplify right side
    10,282,097.52x = 153,306,134,837,545.16
  5. Step 5: Solve for x
    x = 153,306,134,837,545.16/10,282,097.52
  6. Step 6: Final answer
    x = 14,910,005.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.