Home / 12,041,514.28-16,612,999.86-7,142,984.20

Finding the Fourth Proportional to 12,041,514.28, 16,612,999.86 and 7,142,984.20

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Solution

The fourth proportional to 12,041,514.28, 16,612,999.86 and 7,142,984.20 is: 9,854,773.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,041,514.28 : 16,612,999.86 = 7,142,984.20 : x
  2. Step 2: Convert to fraction form
    12,041,514.28/16,612,999.86 = 7,142,984.20/x
  3. Step 3: Cross multiply
    12,041,514.28x = 16,612,999.86 × 7,142,984.20
  4. Step 4: Simplify right side
    12,041,514.28x = 118,666,395,514,582.20
  5. Step 5: Solve for x
    x = 118,666,395,514,582.20/12,041,514.28
  6. Step 6: Final answer
    x = 9,854,773.47

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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.