Home / 40,370,985.16-60,556,116.92-12,706,989.32

Finding the Fourth Proportional to 40,370,985.16, 60,556,116.92 and 12,706,989.32

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Solution

The fourth proportional to 40,370,985.16, 60,556,116.92 and 12,706,989.32 is: 19,060,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,370,985.16 : 60,556,116.92 = 12,706,989.32 : x
  2. Step 2: Convert to fraction form
    40,370,985.16/60,556,116.92 = 12,706,989.32/x
  3. Step 3: Cross multiply
    40,370,985.16x = 60,556,116.92 × 12,706,989.32
  4. Step 4: Simplify right side
    40,370,985.16x = 769,485,930,963,111.38
  5. Step 5: Solve for x
    x = 769,485,930,963,111.38/40,370,985.16
  6. Step 6: Final answer
    x = 19,060,370.41

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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.