Home / 12,013,808.82-18,020,522.34-2,915,981.70

Finding the Fourth Proportional to 12,013,808.82, 18,020,522.34 and 2,915,981.70

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Solution

The fourth proportional to 12,013,808.82, 18,020,522.34 and 2,915,981.70 is: 4,373,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013,808.82 : 18,020,522.34 = 2,915,981.70 : x
  2. Step 2: Convert to fraction form
    12,013,808.82/18,020,522.34 = 2,915,981.70/x
  3. Step 3: Cross multiply
    12,013,808.82x = 18,020,522.34 × 2,915,981.70
  4. Step 4: Simplify right side
    12,013,808.82x = 52,547,513,367,881.18
  5. Step 5: Solve for x
    x = 52,547,513,367,881.18/12,013,808.82
  6. Step 6: Final answer
    x = 4,373,926.22

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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.