Home / 8,458,877.10-12,688,315.65-2,779,286.70

Finding the Fourth Proportional to 8,458,877.10, 12,688,315.65 and 2,779,286.70

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Solution

The fourth proportional to 8,458,877.10, 12,688,315.65 and 2,779,286.70 is: 4,168,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458,877.10 : 12,688,315.65 = 2,779,286.70 : x
  2. Step 2: Convert to fraction form
    8,458,877.10/12,688,315.65 = 2,779,286.70/x
  3. Step 3: Cross multiply
    8,458,877.10x = 12,688,315.65 × 2,779,286.70
  4. Step 4: Simplify right side
    8,458,877.10x = 35,264,466,931,446.86
  5. Step 5: Solve for x
    x = 35,264,466,931,446.86/8,458,877.10
  6. Step 6: Final answer
    x = 4,168,930.05

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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.