Home / 17,943,377.60-26,915,066.40-13,124,979.20

Finding the Fourth Proportional to 17,943,377.60, 26,915,066.40 and 13,124,979.20

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Solution

The fourth proportional to 17,943,377.60, 26,915,066.40 and 13,124,979.20 is: 19,687,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,943,377.60 : 26,915,066.40 = 13,124,979.20 : x
  2. Step 2: Convert to fraction form
    17,943,377.60/26,915,066.40 = 13,124,979.20/x
  3. Step 3: Cross multiply
    17,943,377.60x = 26,915,066.40 × 13,124,979.20
  4. Step 4: Simplify right side
    17,943,377.60x = 353,259,686,666,618.81
  5. Step 5: Solve for x
    x = 353,259,686,666,618.81/17,943,377.60
  6. Step 6: Final answer
    x = 19,687,468.80

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1.5x scale

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.