Home / 31,766,547.40-47,529,577.14-18,819,648.88

Finding the Fourth Proportional to 31,766,547.40, 47,529,577.14 and 18,819,648.88

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Solution

The fourth proportional to 31,766,547.40, 47,529,577.14 and 18,819,648.88 is: 28,158,236.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,766,547.40 : 47,529,577.14 = 18,819,648.88 : x
  2. Step 2: Convert to fraction form
    31,766,547.40/47,529,577.14 = 18,819,648.88/x
  3. Step 3: Cross multiply
    31,766,547.40x = 47,529,577.14 × 18,819,648.88
  4. Step 4: Simplify right side
    31,766,547.40x = 894,489,953,189,674.62
  5. Step 5: Solve for x
    x = 894,489,953,189,674.62/31,766,547.40
  6. Step 6: Final answer
    x = 28,158,236.46

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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.