Home / 8,578,507.59-12,869,941.12-2,430,482.55

Finding the Fourth Proportional to 8,578,507.59, 12,869,941.12 and 2,430,482.55

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Solution

The fourth proportional to 8,578,507.59, 12,869,941.12 and 2,430,482.55 is: 3,646,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578,507.59 : 12,869,941.12 = 2,430,482.55 : x
  2. Step 2: Convert to fraction form
    8,578,507.59/12,869,941.12 = 2,430,482.55/x
  3. Step 3: Cross multiply
    8,578,507.59x = 12,869,941.12 × 2,430,482.55
  4. Step 4: Simplify right side
    8,578,507.59x = 31,280,167,359,278.77
  5. Step 5: Solve for x
    x = 31,280,167,359,278.77/8,578,507.59
  6. Step 6: Final answer
    x = 3,646,341.40

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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.