Home / 28,973,045.20-43,459,567.80-8,779,291.60

Finding the Fourth Proportional to 28,973,045.20, 43,459,567.80 and 8,779,291.60

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Solution

The fourth proportional to 28,973,045.20, 43,459,567.80 and 8,779,291.60 is: 13,168,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973,045.20 : 43,459,567.80 = 8,779,291.60 : x
  2. Step 2: Convert to fraction form
    28,973,045.20/43,459,567.80 = 8,779,291.60/x
  3. Step 3: Cross multiply
    28,973,045.20x = 43,459,567.80 × 8,779,291.60
  4. Step 4: Simplify right side
    28,973,045.20x = 381,544,218,526,170.44
  5. Step 5: Solve for x
    x = 381,544,218,526,170.44/28,973,045.20
  6. Step 6: Final answer
    x = 13,168,937.40

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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.