Home / 12,143,657.03-16,758,207.45-6,637,031.60

Finding the Fourth Proportional to 12,143,657.03, 16,758,207.45 and 6,637,031.60

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Solution

The fourth proportional to 12,143,657.03, 16,758,207.45 and 6,637,031.60 is: 9,159,082.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,143,657.03 : 16,758,207.45 = 6,637,031.60 : x
  2. Step 2: Convert to fraction form
    12,143,657.03/16,758,207.45 = 6,637,031.60/x
  3. Step 3: Cross multiply
    12,143,657.03x = 16,758,207.45 × 6,637,031.60
  4. Step 4: Simplify right side
    12,143,657.03x = 111,224,752,321,214.38
  5. Step 5: Solve for x
    x = 111,224,752,321,214.38/12,143,657.03
  6. Step 6: Final answer
    x = 9,159,082.15

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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.