Home / 7,893,411.19-11,840,117.25-1,909,779.19

Finding the Fourth Proportional to 7,893,411.19, 11,840,117.25 and 1,909,779.19

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Solution

The fourth proportional to 7,893,411.19, 11,840,117.25 and 1,909,779.19 is: 2,864,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893,411.19 : 11,840,117.25 = 1,909,779.19 : x
  2. Step 2: Convert to fraction form
    7,893,411.19/11,840,117.25 = 1,909,779.19/x
  3. Step 3: Cross multiply
    7,893,411.19x = 11,840,117.25 × 1,909,779.19
  4. Step 4: Simplify right side
    7,893,411.19x = 22,612,009,508,771.41
  5. Step 5: Solve for x
    x = 22,612,009,508,771.41/7,893,411.19
  6. Step 6: Final answer
    x = 2,864,668.90

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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.