Home / 12,136,304.89-16,748,609.70-6,979,670.47

Finding the Fourth Proportional to 12,136,304.89, 16,748,609.70 and 6,979,670.47

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Solution

The fourth proportional to 12,136,304.89, 16,748,609.70 and 6,979,670.47 is: 9,632,237.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136,304.89 : 16,748,609.70 = 6,979,670.47 : x
  2. Step 2: Convert to fraction form
    12,136,304.89/16,748,609.70 = 6,979,670.47/x
  3. Step 3: Cross multiply
    12,136,304.89x = 16,748,609.70 × 6,979,670.47
  4. Step 4: Simplify right side
    12,136,304.89x = 116,899,776,536,645.55
  5. Step 5: Solve for x
    x = 116,899,776,536,645.55/12,136,304.89
  6. Step 6: Final answer
    x = 9,632,237.95

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1.5x scale

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.