Home / 29,341,986.40-44,012,979.60-19,138,319.20

Finding the Fourth Proportional to 29,341,986.40, 44,012,979.60 and 19,138,319.20

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Solution

The fourth proportional to 29,341,986.40, 44,012,979.60 and 19,138,319.20 is: 28,707,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,341,986.40 : 44,012,979.60 = 19,138,319.20 : x
  2. Step 2: Convert to fraction form
    29,341,986.40/44,012,979.60 = 19,138,319.20/x
  3. Step 3: Cross multiply
    29,341,986.40x = 44,012,979.60 × 19,138,319.20
  4. Step 4: Simplify right side
    29,341,986.40x = 842,334,452,527,888.38
  5. Step 5: Solve for x
    x = 842,334,452,527,888.38/29,341,986.40
  6. Step 6: Final answer
    x = 28,707,478.80

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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.