Home / 15,077,525.31-20,754,456.12-13,140,455.67

Finding the Fourth Proportional to 15,077,525.31, 20,754,456.12 and 13,140,455.67

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Solution

The fourth proportional to 15,077,525.31, 20,754,456.12 and 13,140,455.67 is: 18,088,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077,525.31 : 20,754,456.12 = 13,140,455.67 : x
  2. Step 2: Convert to fraction form
    15,077,525.31/20,754,456.12 = 13,140,455.67/x
  3. Step 3: Cross multiply
    15,077,525.31x = 20,754,456.12 × 13,140,455.67
  4. Step 4: Simplify right side
    15,077,525.31x = 272,723,010,599,820.22
  5. Step 5: Solve for x
    x = 272,723,010,599,820.22/15,077,525.31
  6. Step 6: Final answer
    x = 18,088,048.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.