Home / 15,502,457.60-23,253,686.40-12,139,539.20

Finding the Fourth Proportional to 15,502,457.60, 23,253,686.40 and 12,139,539.20

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Solution

The fourth proportional to 15,502,457.60, 23,253,686.40 and 12,139,539.20 is: 18,209,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502,457.60 : 23,253,686.40 = 12,139,539.20 : x
  2. Step 2: Convert to fraction form
    15,502,457.60/23,253,686.40 = 12,139,539.20/x
  3. Step 3: Cross multiply
    15,502,457.60x = 23,253,686.40 × 12,139,539.20
  4. Step 4: Simplify right side
    15,502,457.60x = 282,289,037,597,306.88
  5. Step 5: Solve for x
    x = 282,289,037,597,306.88/15,502,457.60
  6. Step 6: Final answer
    x = 18,209,308.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.