Home / 8,779,294.08-12,115,896.40-4,911,584.56

Finding the Fourth Proportional to 8,779,294.08, 12,115,896.40 and 4,911,584.56

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Solution

The fourth proportional to 8,779,294.08, 12,115,896.40 and 4,911,584.56 is: 6,778,249.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779,294.08 : 12,115,896.40 = 4,911,584.56 : x
  2. Step 2: Convert to fraction form
    8,779,294.08/12,115,896.40 = 4,911,584.56/x
  3. Step 3: Cross multiply
    8,779,294.08x = 12,115,896.40 × 4,911,584.56
  4. Step 4: Simplify right side
    8,779,294.08x = 59,508,249,688,799.58
  5. Step 5: Solve for x
    x = 59,508,249,688,799.58/8,779,294.08
  6. Step 6: Final answer
    x = 6,778,249.95

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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.