Home / 38,861,709.60-58,292,564.40-11,931,866.40

Finding the Fourth Proportional to 38,861,709.60, 58,292,564.40 and 11,931,866.40

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Solution

The fourth proportional to 38,861,709.60, 58,292,564.40 and 11,931,866.40 is: 17,897,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,861,709.60 : 58,292,564.40 = 11,931,866.40 : x
  2. Step 2: Convert to fraction form
    38,861,709.60/58,292,564.40 = 11,931,866.40/x
  3. Step 3: Cross multiply
    38,861,709.60x = 58,292,564.40 × 11,931,866.40
  4. Step 4: Simplify right side
    38,861,709.60x = 695,539,090,534,196.12
  5. Step 5: Solve for x
    x = 695,539,090,534,196.12/38,861,709.60
  6. Step 6: Final answer
    x = 17,897,799.60

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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.