Home / 15,029,772.16-22,514,798.40-8,281,448.32

Finding the Fourth Proportional to 15,029,772.16, 22,514,798.40 and 8,281,448.32

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Solution

The fourth proportional to 15,029,772.16, 22,514,798.40 and 8,281,448.32 is: 12,405,719.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,029,772.16 : 22,514,798.40 = 8,281,448.32 : x
  2. Step 2: Convert to fraction form
    15,029,772.16/22,514,798.40 = 8,281,448.32/x
  3. Step 3: Cross multiply
    15,029,772.16x = 22,514,798.40 × 8,281,448.32
  4. Step 4: Simplify right side
    15,029,772.16x = 186,455,139,384,818.69
  5. Step 5: Solve for x
    x = 186,455,139,384,818.69/15,029,772.16
  6. Step 6: Final answer
    x = 12,405,719.62

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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.