Home / 19,157,077.10-28,735,615.65-15,755,854.70

Finding the Fourth Proportional to 19,157,077.10, 28,735,615.65 and 15,755,854.70

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Solution

The fourth proportional to 19,157,077.10, 28,735,615.65 and 15,755,854.70 is: 23,633,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157,077.10 : 28,735,615.65 = 15,755,854.70 : x
  2. Step 2: Convert to fraction form
    19,157,077.10/28,735,615.65 = 15,755,854.70/x
  3. Step 3: Cross multiply
    19,157,077.10x = 28,735,615.65 × 15,755,854.70
  4. Step 4: Simplify right side
    19,157,077.10x = 452,754,184,896,446
  5. Step 5: Solve for x
    x = 452,754,184,896,446/19,157,077.10
  6. Step 6: Final answer
    x = 23,633,782.05

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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.