Home / 7,069,026.61-9,755,385.72-3,929,585.08

Finding the Fourth Proportional to 7,069,026.61, 9,755,385.72 and 3,929,585.08

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Solution

The fourth proportional to 7,069,026.61, 9,755,385.72 and 3,929,585.08 is: 5,422,899.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069,026.61 : 9,755,385.72 = 3,929,585.08 : x
  2. Step 2: Convert to fraction form
    7,069,026.61/9,755,385.72 = 3,929,585.08/x
  3. Step 3: Cross multiply
    7,069,026.61x = 9,755,385.72 × 3,929,585.08
  4. Step 4: Simplify right side
    7,069,026.61x = 38,334,618,174,957.06
  5. Step 5: Solve for x
    x = 38,334,618,174,957.06/7,069,026.61
  6. Step 6: Final answer
    x = 5,422,899.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.