Home / 8,429,357.80-12,644,018.07-6,513,053.32

Finding the Fourth Proportional to 8,429,357.80, 12,644,018.07 and 6,513,053.32

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Solution

The fourth proportional to 8,429,357.80, 12,644,018.07 and 6,513,053.32 is: 9,769,565.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429,357.80 : 12,644,018.07 = 6,513,053.32 : x
  2. Step 2: Convert to fraction form
    8,429,357.80/12,644,018.07 = 6,513,053.32/x
  3. Step 3: Cross multiply
    8,429,357.80x = 12,644,018.07 × 6,513,053.32
  4. Step 4: Simplify right side
    8,429,357.80x = 82,351,163,868,953.50
  5. Step 5: Solve for x
    x = 82,351,163,868,953.50/8,429,357.80
  6. Step 6: Final answer
    x = 9,769,565.59

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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.