Home / 15,527,053.92-21,427,055.69-8,462,710.74

Finding the Fourth Proportional to 15,527,053.92, 21,427,055.69 and 8,462,710.74

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Solution

The fourth proportional to 15,527,053.92, 21,427,055.69 and 8,462,710.74 is: 11,678,388.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,527,053.92 : 21,427,055.69 = 8,462,710.74 : x
  2. Step 2: Convert to fraction form
    15,527,053.92/21,427,055.69 = 8,462,710.74/x
  3. Step 3: Cross multiply
    15,527,053.92x = 21,427,055.69 × 8,462,710.74
  4. Step 4: Simplify right side
    15,527,053.92x = 181,330,974,352,379
  5. Step 5: Solve for x
    x = 181,330,974,352,379/15,527,053.92
  6. Step 6: Final answer
    x = 11,678,388.91

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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.