Home / 10,429,812.30-15,613,225.65-9,170,100.30

Finding the Fourth Proportional to 10,429,812.30, 15,613,225.65 and 9,170,100.30

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Solution

The fourth proportional to 10,429,812.30, 15,613,225.65 and 9,170,100.30 is: 13,727,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,812.30 : 15,613,225.65 = 9,170,100.30 : x
  2. Step 2: Convert to fraction form
    10,429,812.30/15,613,225.65 = 9,170,100.30/x
  3. Step 3: Cross multiply
    10,429,812.30x = 15,613,225.65 × 9,170,100.30
  4. Step 4: Simplify right side
    10,429,812.30x = 143,174,845,217,032.72
  5. Step 5: Solve for x
    x = 143,174,845,217,032.72/10,429,812.30
  6. Step 6: Final answer
    x = 13,727,461.35

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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.