Home / 10,136,542.34-13,988,317.02-5,490,211.88

Finding the Fourth Proportional to 10,136,542.34, 13,988,317.02 and 5,490,211.88

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Solution

The fourth proportional to 10,136,542.34, 13,988,317.02 and 5,490,211.88 is: 7,576,432.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136,542.34 : 13,988,317.02 = 5,490,211.88 : x
  2. Step 2: Convert to fraction form
    10,136,542.34/13,988,317.02 = 5,490,211.88/x
  3. Step 3: Cross multiply
    10,136,542.34x = 13,988,317.02 × 5,490,211.88
  4. Step 4: Simplify right side
    10,136,542.34x = 76,798,824,214,468.61
  5. Step 5: Solve for x
    x = 76,798,824,214,468.61/10,136,542.34
  6. Step 6: Final answer
    x = 7,576,432.05

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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.