Home / 15,931,169,587.89-21,984,437,723.81-8,794,430,115.57

Finding the Fourth Proportional to 15,931,169,587.89, 21,984,437,723.81 and 8,794,430,115.57

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Solution

The fourth proportional to 15,931,169,587.89, 21,984,437,723.81 and 8,794,430,115.57 is: 12,135,995,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,931,169,587.89 : 21,984,437,723.81 = 8,794,430,115.57 : x
  2. Step 2: Convert to fraction form
    15,931,169,587.89/21,984,437,723.81 = 8,794,430,115.57/x
  3. Step 3: Cross multiply
    15,931,169,587.89x = 21,984,437,723.81 × 8,794,430,115.57
  4. Step 4: Simplify right side
    15,931,169,587.89x = 193,340,601,192,103,870,464
  5. Step 5: Solve for x
    x = 193,340,601,192,103,870,464/15,931,169,587.89
  6. Step 6: Final answer
    x = 12,135,995,422.40

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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.