Home / 30,795,968.20-42,500,409.06-17,742,989.92

Finding the Fourth Proportional to 30,795,968.20, 42,500,409.06 and 17,742,989.92

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Solution

The fourth proportional to 30,795,968.20, 42,500,409.06 and 17,742,989.92 is: 24,486,462.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,795,968.20 : 42,500,409.06 = 17,742,989.92 : x
  2. Step 2: Convert to fraction form
    30,795,968.20/42,500,409.06 = 17,742,989.92/x
  3. Step 3: Cross multiply
    30,795,968.20x = 42,500,409.06 × 17,742,989.92
  4. Step 4: Simplify right side
    30,795,968.20x = 754,084,329,547,456.75
  5. Step 5: Solve for x
    x = 754,084,329,547,456.75/30,795,968.20
  6. Step 6: Final answer
    x = 24,486,462.79

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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.