Home / 31,410,196.65-47,116,344.74-8,689,191.21

Finding the Fourth Proportional to 31,410,196.65, 47,116,344.74 and 8,689,191.21

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Solution

The fourth proportional to 31,410,196.65, 47,116,344.74 and 8,689,191.21 is: 13,034,077.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,410,196.65 : 47,116,344.74 = 8,689,191.21 : x
  2. Step 2: Convert to fraction form
    31,410,196.65/47,116,344.74 = 8,689,191.21/x
  3. Step 3: Cross multiply
    31,410,196.65x = 47,116,344.74 × 8,689,191.21
  4. Step 4: Simplify right side
    31,410,196.65x = 409,402,928,518,691.81
  5. Step 5: Solve for x
    x = 409,402,928,518,691.81/31,410,196.65
  6. Step 6: Final answer
    x = 13,034,077.22

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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.