Home / 12,117,575.28-16,721,426.52-6,685,158

Finding the Fourth Proportional to 12,117,575.28, 16,721,426.52 and 6,685,158

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Solution

The fourth proportional to 12,117,575.28, 16,721,426.52 and 6,685,158 is: 9,225,061.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,575.28 : 16,721,426.52 = 6,685,158 : x
  2. Step 2: Convert to fraction form
    12,117,575.28/16,721,426.52 = 6,685,158/x
  3. Step 3: Cross multiply
    12,117,575.28x = 16,721,426.52 × 6,685,158
  4. Step 4: Simplify right side
    12,117,575.28x = 111,785,378,271,590.16
  5. Step 5: Solve for x
    x = 111,785,378,271,590.16/12,117,575.28
  6. Step 6: Final answer
    x = 9,225,061.59

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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.