Home / 17,121,701.79-23,626,637.15-9,778,521.24

Finding the Fourth Proportional to 17,121,701.79, 23,626,637.15 and 9,778,521.24

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Solution

The fourth proportional to 17,121,701.79, 23,626,637.15 and 9,778,521.24 is: 13,493,610.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121,701.79 : 23,626,637.15 = 9,778,521.24 : x
  2. Step 2: Convert to fraction form
    17,121,701.79/23,626,637.15 = 9,778,521.24/x
  3. Step 3: Cross multiply
    17,121,701.79x = 23,626,637.15 × 9,778,521.24
  4. Step 4: Simplify right side
    17,121,701.79x = 231,033,573,152,155.47
  5. Step 5: Solve for x
    x = 231,033,573,152,155.47/17,121,701.79
  6. Step 6: Final answer
    x = 13,493,610.39

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1.5x scale

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.