Home / 15,084,534.61-20,817,343.23-8,889,842.77

Finding the Fourth Proportional to 15,084,534.61, 20,817,343.23 and 8,889,842.77

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Solution

The fourth proportional to 15,084,534.61, 20,817,343.23 and 8,889,842.77 is: 12,268,386.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,084,534.61 : 20,817,343.23 = 8,889,842.77 : x
  2. Step 2: Convert to fraction form
    15,084,534.61/20,817,343.23 = 8,889,842.77/x
  3. Step 3: Cross multiply
    15,084,534.61x = 20,817,343.23 × 8,889,842.77
  4. Step 4: Simplify right side
    15,084,534.61x = 185,062,908,203,823.94
  5. Step 5: Solve for x
    x = 185,062,908,203,823.94/15,084,534.61
  6. Step 6: Final answer
    x = 12,268,386.99

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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.