Home / 10,780,867.60-16,171,301.40-10,249,426.60

Finding the Fourth Proportional to 10,780,867.60, 16,171,301.40 and 10,249,426.60

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Solution

The fourth proportional to 10,780,867.60, 16,171,301.40 and 10,249,426.60 is: 15,374,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,867.60 : 16,171,301.40 = 10,249,426.60 : x
  2. Step 2: Convert to fraction form
    10,780,867.60/16,171,301.40 = 10,249,426.60/x
  3. Step 3: Cross multiply
    10,780,867.60x = 16,171,301.40 × 10,249,426.60
  4. Step 4: Simplify right side
    10,780,867.60x = 165,746,566,725,777.25
  5. Step 5: Solve for x
    x = 165,746,566,725,777.25/10,780,867.60
  6. Step 6: Final answer
    x = 15,374,139.90

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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.