Home / 15,482,051.91-21,365,779.86-8,513,259.84

Finding the Fourth Proportional to 15,482,051.91, 21,365,779.86 and 8,513,259.84

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Solution

The fourth proportional to 15,482,051.91, 21,365,779.86 and 8,513,259.84 is: 11,748,600.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482,051.91 : 21,365,779.86 = 8,513,259.84 : x
  2. Step 2: Convert to fraction form
    15,482,051.91/21,365,779.86 = 8,513,259.84/x
  3. Step 3: Cross multiply
    15,482,051.91x = 21,365,779.86 × 8,513,259.84
  4. Step 4: Simplify right side
    15,482,051.91x = 181,892,435,632,418.81
  5. Step 5: Solve for x
    x = 181,892,435,632,418.81/15,482,051.91
  6. Step 6: Final answer
    x = 11,748,600.04

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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.