Home / 13,285,577.40-19,922,461.20-5,195,864.40

Finding the Fourth Proportional to 13,285,577.40, 19,922,461.20 and 5,195,864.40

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Solution

The fourth proportional to 13,285,577.40, 19,922,461.20 and 5,195,864.40 is: 7,791,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,577.40 : 19,922,461.20 = 5,195,864.40 : x
  2. Step 2: Convert to fraction form
    13,285,577.40/19,922,461.20 = 5,195,864.40/x
  3. Step 3: Cross multiply
    13,285,577.40x = 19,922,461.20 × 5,195,864.40
  4. Step 4: Simplify right side
    13,285,577.40x = 103,514,406,909,461.28
  5. Step 5: Solve for x
    x = 103,514,406,909,461.28/13,285,577.40
  6. Step 6: Final answer
    x = 7,791,487.25

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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.