Home / 7,852,947.68-11,779,078.80-2,461,475

Finding the Fourth Proportional to 7,852,947.68, 11,779,078.80 and 2,461,475

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Solution

The fourth proportional to 7,852,947.68, 11,779,078.80 and 2,461,475 is: 3,692,105.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,852,947.68 : 11,779,078.80 = 2,461,475 : x
  2. Step 2: Convert to fraction form
    7,852,947.68/11,779,078.80 = 2,461,475/x
  3. Step 3: Cross multiply
    7,852,947.68x = 11,779,078.80 × 2,461,475
  4. Step 4: Simplify right side
    7,852,947.68x = 28,993,907,989,230
  5. Step 5: Solve for x
    x = 28,993,907,989,230/7,852,947.68
  6. Step 6: Final answer
    x = 3,692,105.08

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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.