Home / 8,390,030.76-12,582,378-2,708,933.76

Finding the Fourth Proportional to 8,390,030.76, 12,582,378 and 2,708,933.76

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Solution

The fourth proportional to 8,390,030.76, 12,582,378 and 2,708,933.76 is: 4,062,539.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390,030.76 : 12,582,378 = 2,708,933.76 : x
  2. Step 2: Convert to fraction form
    8,390,030.76/12,582,378 = 2,708,933.76/x
  3. Step 3: Cross multiply
    8,390,030.76x = 12,582,378 × 2,708,933.76
  4. Step 4: Simplify right side
    8,390,030.76x = 34,084,828,545,281.28
  5. Step 5: Solve for x
    x = 34,084,828,545,281.28/8,390,030.76
  6. Step 6: Final answer
    x = 4,062,539.16

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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.