Home / 19,929,411.60-29,894,117.40-15,111,013.20

Finding the Fourth Proportional to 19,929,411.60, 29,894,117.40 and 15,111,013.20

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Solution

The fourth proportional to 19,929,411.60, 29,894,117.40 and 15,111,013.20 is: 22,666,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929,411.60 : 29,894,117.40 = 15,111,013.20 : x
  2. Step 2: Convert to fraction form
    19,929,411.60/29,894,117.40 = 15,111,013.20/x
  3. Step 3: Cross multiply
    19,929,411.60x = 29,894,117.40 × 15,111,013.20
  4. Step 4: Simplify right side
    19,929,411.60x = 451,730,402,633,749.62
  5. Step 5: Solve for x
    x = 451,730,402,633,749.62/19,929,411.60
  6. Step 6: Final answer
    x = 22,666,519.80

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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.