Home / 34,681,167.30-47,859,994.21-20,742,522.16

Finding the Fourth Proportional to 34,681,167.30, 47,859,994.21 and 20,742,522.16

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Solution

The fourth proportional to 34,681,167.30, 47,859,994.21 and 20,742,522.16 is: 28,624,670.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,681,167.30 : 47,859,994.21 = 20,742,522.16 : x
  2. Step 2: Convert to fraction form
    34,681,167.30/47,859,994.21 = 20,742,522.16/x
  3. Step 3: Cross multiply
    34,681,167.30x = 47,859,994.21 × 20,742,522.16
  4. Step 4: Simplify right side
    34,681,167.30x = 992,736,990,384,674.75
  5. Step 5: Solve for x
    x = 992,736,990,384,674.75/34,681,167.30
  6. Step 6: Final answer
    x = 28,624,670.61

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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.