Home / 10,901,385.60-16,352,078.40-6,870,307.20

Finding the Fourth Proportional to 10,901,385.60, 16,352,078.40 and 6,870,307.20

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Solution

The fourth proportional to 10,901,385.60, 16,352,078.40 and 6,870,307.20 is: 10,305,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901,385.60 : 16,352,078.40 = 6,870,307.20 : x
  2. Step 2: Convert to fraction form
    10,901,385.60/16,352,078.40 = 6,870,307.20/x
  3. Step 3: Cross multiply
    10,901,385.60x = 16,352,078.40 × 6,870,307.20
  4. Step 4: Simplify right side
    10,901,385.60x = 112,343,801,966,484.48
  5. Step 5: Solve for x
    x = 112,343,801,966,484.48/10,901,385.60
  6. Step 6: Final answer
    x = 10,305,460.80

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1.5x scale

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.