Home / 19,156,713.40-28,749,066.90-13,488,009.40

Finding the Fourth Proportional to 19,156,713.40, 28,749,066.90 and 13,488,009.40

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Solution

The fourth proportional to 19,156,713.40, 28,749,066.90 and 13,488,009.40 is: 20,241,869.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156,713.40 : 28,749,066.90 = 13,488,009.40 : x
  2. Step 2: Convert to fraction form
    19,156,713.40/28,749,066.90 = 13,488,009.40/x
  3. Step 3: Cross multiply
    19,156,713.40x = 28,749,066.90 × 13,488,009.40
  4. Step 4: Simplify right side
    19,156,713.40x = 387,767,684,588,428.88
  5. Step 5: Solve for x
    x = 387,767,684,588,428.88/19,156,713.40
  6. Step 6: Final answer
    x = 20,241,869.08

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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.