Home / 10,790,455.60-16,185,683.40-9,908,657.20

Finding the Fourth Proportional to 10,790,455.60, 16,185,683.40 and 9,908,657.20

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Solution

The fourth proportional to 10,790,455.60, 16,185,683.40 and 9,908,657.20 is: 14,862,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790,455.60 : 16,185,683.40 = 9,908,657.20 : x
  2. Step 2: Convert to fraction form
    10,790,455.60/16,185,683.40 = 9,908,657.20/x
  3. Step 3: Cross multiply
    10,790,455.60x = 16,185,683.40 × 9,908,657.20
  4. Step 4: Simplify right side
    10,790,455.60x = 160,378,388,358,330.47
  5. Step 5: Solve for x
    x = 160,378,388,358,330.47/10,790,455.60
  6. Step 6: Final answer
    x = 14,862,985.80

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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.