Home / 8,806,143.96-12,153,807-5,370,377.91

Finding the Fourth Proportional to 8,806,143.96, 12,153,807 and 5,370,377.91

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Solution

The fourth proportional to 8,806,143.96, 12,153,807 and 5,370,377.91 is: 7,411,931.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806,143.96 : 12,153,807 = 5,370,377.91 : x
  2. Step 2: Convert to fraction form
    8,806,143.96/12,153,807 = 5,370,377.91/x
  3. Step 3: Cross multiply
    8,806,143.96x = 12,153,807 × 5,370,377.91
  4. Step 4: Simplify right side
    8,806,143.96x = 65,270,536,635,203.38
  5. Step 5: Solve for x
    x = 65,270,536,635,203.38/8,806,143.96
  6. Step 6: Final answer
    x = 7,411,931.59

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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.