Home / 10,317,128.10-15,475,692.15-10,157,695.80

Finding the Fourth Proportional to 10,317,128.10, 15,475,692.15 and 10,157,695.80

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Solution

The fourth proportional to 10,317,128.10, 15,475,692.15 and 10,157,695.80 is: 15,236,543.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317,128.10 : 15,475,692.15 = 10,157,695.80 : x
  2. Step 2: Convert to fraction form
    10,317,128.10/15,475,692.15 = 10,157,695.80/x
  3. Step 3: Cross multiply
    10,317,128.10x = 15,475,692.15 × 10,157,695.80
  4. Step 4: Simplify right side
    10,317,128.10x = 157,197,373,154,148
  5. Step 5: Solve for x
    x = 157,197,373,154,148/10,317,128.10
  6. Step 6: Final answer
    x = 15,236,543.70

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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.