Home / 20,559,347.76-30,817,320.12-6,899,542.32

Finding the Fourth Proportional to 20,559,347.76, 30,817,320.12 and 6,899,542.32

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Solution

The fourth proportional to 20,559,347.76, 30,817,320.12 and 6,899,542.32 is: 10,342,030.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559,347.76 : 30,817,320.12 = 6,899,542.32 : x
  2. Step 2: Convert to fraction form
    20,559,347.76/30,817,320.12 = 6,899,542.32/x
  3. Step 3: Cross multiply
    20,559,347.76x = 30,817,320.12 × 6,899,542.32
  4. Step 4: Simplify right side
    20,559,347.76x = 212,625,404,356,927.50
  5. Step 5: Solve for x
    x = 212,625,404,356,927.50/20,559,347.76
  6. Step 6: Final answer
    x = 10,342,030.63

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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.