Home / 8,986,837.60-13,480,256.40-6,971,298.40

Finding the Fourth Proportional to 8,986,837.60, 13,480,256.40 and 6,971,298.40

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Solution

The fourth proportional to 8,986,837.60, 13,480,256.40 and 6,971,298.40 is: 10,456,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,837.60 : 13,480,256.40 = 6,971,298.40 : x
  2. Step 2: Convert to fraction form
    8,986,837.60/13,480,256.40 = 6,971,298.40/x
  3. Step 3: Cross multiply
    8,986,837.60x = 13,480,256.40 × 6,971,298.40
  4. Step 4: Simplify right side
    8,986,837.60x = 93,974,889,872,909.77
  5. Step 5: Solve for x
    x = 93,974,889,872,909.77/8,986,837.60
  6. Step 6: Final answer
    x = 10,456,947.60

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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.