Home / 10,600,905.40-15,901,358.10-9,887,068.60

Finding the Fourth Proportional to 10,600,905.40, 15,901,358.10 and 9,887,068.60

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Solution

The fourth proportional to 10,600,905.40, 15,901,358.10 and 9,887,068.60 is: 14,830,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,600,905.40 : 15,901,358.10 = 9,887,068.60 : x
  2. Step 2: Convert to fraction form
    10,600,905.40/15,901,358.10 = 9,887,068.60/x
  3. Step 3: Cross multiply
    10,600,905.40x = 15,901,358.10 × 9,887,068.60
  4. Step 4: Simplify right side
    10,600,905.40x = 157,217,818,367,865.66
  5. Step 5: Solve for x
    x = 157,217,818,367,865.66/10,600,905.40
  6. Step 6: Final answer
    x = 14,830,602.90

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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.