Home / 20,703,026.20-31,031,211.30-9,925,490.20

Finding the Fourth Proportional to 20,703,026.20, 31,031,211.30 and 9,925,490.20

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Solution

The fourth proportional to 20,703,026.20, 31,031,211.30 and 9,925,490.20 is: 14,877,051.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,703,026.20 : 31,031,211.30 = 9,925,490.20 : x
  2. Step 2: Convert to fraction form
    20,703,026.20/31,031,211.30 = 9,925,490.20/x
  3. Step 3: Cross multiply
    20,703,026.20x = 31,031,211.30 × 9,925,490.20
  4. Step 4: Simplify right side
    20,703,026.20x = 307,999,983,652,279.25
  5. Step 5: Solve for x
    x = 307,999,983,652,279.25/20,703,026.20
  6. Step 6: Final answer
    x = 14,877,051.34

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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.