Home / 10,475,746.52-15,709,037.92-5,285,161.72

Finding the Fourth Proportional to 10,475,746.52, 15,709,037.92 and 5,285,161.72

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Solution

The fourth proportional to 10,475,746.52, 15,709,037.92 and 5,285,161.72 is: 7,925,430.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,475,746.52 : 15,709,037.92 = 5,285,161.72 : x
  2. Step 2: Convert to fraction form
    10,475,746.52/15,709,037.92 = 5,285,161.72/x
  3. Step 3: Cross multiply
    10,475,746.52x = 15,709,037.92 × 5,285,161.72
  4. Step 4: Simplify right side
    10,475,746.52x = 83,024,805,872,812.42
  5. Step 5: Solve for x
    x = 83,024,805,872,812.42/10,475,746.52
  6. Step 6: Final answer
    x = 7,925,430.97

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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.