Home / 20,210,875.70-30,335,340.45-10,633,127.90

Finding the Fourth Proportional to 20,210,875.70, 30,335,340.45 and 10,633,127.90

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Solution

The fourth proportional to 20,210,875.70, 30,335,340.45 and 10,633,127.90 is: 15,959,702.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,210,875.70 : 30,335,340.45 = 10,633,127.90 : x
  2. Step 2: Convert to fraction form
    20,210,875.70/30,335,340.45 = 10,633,127.90/x
  3. Step 3: Cross multiply
    20,210,875.70x = 30,335,340.45 × 10,633,127.90
  4. Step 4: Simplify right side
    20,210,875.70x = 322,559,554,894,893.56
  5. Step 5: Solve for x
    x = 322,559,554,894,893.56/20,210,875.70
  6. Step 6: Final answer
    x = 15,959,702.08

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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.