Home / 17,680,897.20-26,521,345.80-6,321,716.40

Finding the Fourth Proportional to 17,680,897.20, 26,521,345.80 and 6,321,716.40

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Solution

The fourth proportional to 17,680,897.20, 26,521,345.80 and 6,321,716.40 is: 9,482,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,680,897.20 : 26,521,345.80 = 6,321,716.40 : x
  2. Step 2: Convert to fraction form
    17,680,897.20/26,521,345.80 = 6,321,716.40/x
  3. Step 3: Cross multiply
    17,680,897.20x = 26,521,345.80 × 6,321,716.40
  4. Step 4: Simplify right side
    17,680,897.20x = 167,660,426,693,931.12
  5. Step 5: Solve for x
    x = 167,660,426,693,931.12/17,680,897.20
  6. Step 6: Final answer
    x = 9,482,574.60

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Similar ratio
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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.