Home / 15,475,688.40-23,158,420.20-13,475,895.60

Finding the Fourth Proportional to 15,475,688.40, 23,158,420.20 and 13,475,895.60

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Solution

The fourth proportional to 15,475,688.40, 23,158,420.20 and 13,475,895.60 is: 20,165,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475,688.40 : 23,158,420.20 = 13,475,895.60 : x
  2. Step 2: Convert to fraction form
    15,475,688.40/23,158,420.20 = 13,475,895.60/x
  3. Step 3: Cross multiply
    15,475,688.40x = 23,158,420.20 × 13,475,895.60
  4. Step 4: Simplify right side
    15,475,688.40x = 312,080,452,876,131.12
  5. Step 5: Solve for x
    x = 312,080,452,876,131.12/15,475,688.40
  6. Step 6: Final answer
    x = 20,165,852.71

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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.