Home / 20,401,947.52-28,152,547.11-11,578,589.02

Finding the Fourth Proportional to 20,401,947.52, 28,152,547.11 and 11,578,589.02

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Solution

The fourth proportional to 20,401,947.52, 28,152,547.11 and 11,578,589.02 is: 15,977,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401,947.52 : 28,152,547.11 = 11,578,589.02 : x
  2. Step 2: Convert to fraction form
    20,401,947.52/28,152,547.11 = 11,578,589.02/x
  3. Step 3: Cross multiply
    20,401,947.52x = 28,152,547.11 × 11,578,589.02
  4. Step 4: Simplify right side
    20,401,947.52x = 325,966,772,852,878.69
  5. Step 5: Solve for x
    x = 325,966,772,852,878.69/20,401,947.52
  6. Step 6: Final answer
    x = 15,977,238.08

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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.