Home / 15,421,779.20-21,282,180.48-8,546,374.40

Finding the Fourth Proportional to 15,421,779.20, 21,282,180.48 and 8,546,374.40

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Solution

The fourth proportional to 15,421,779.20, 21,282,180.48 and 8,546,374.40 is: 11,794,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421,779.20 : 21,282,180.48 = 8,546,374.40 : x
  2. Step 2: Convert to fraction form
    15,421,779.20/21,282,180.48 = 8,546,374.40/x
  3. Step 3: Cross multiply
    15,421,779.20x = 21,282,180.48 × 8,546,374.40
  4. Step 4: Simplify right side
    15,421,779.20x = 181,885,482,430,451.72
  5. Step 5: Solve for x
    x = 181,885,482,430,451.72/15,421,779.20
  6. Step 6: Final answer
    x = 11,794,066.05

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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.