Home / 21,447,430.40-32,175,811.20-7,068,051.20

Finding the Fourth Proportional to 21,447,430.40, 32,175,811.20 and 7,068,051.20

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Solution

The fourth proportional to 21,447,430.40, 32,175,811.20 and 7,068,051.20 is: 10,603,614.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447,430.40 : 32,175,811.20 = 7,068,051.20 : x
  2. Step 2: Convert to fraction form
    21,447,430.40/32,175,811.20 = 7,068,051.20/x
  3. Step 3: Cross multiply
    21,447,430.40x = 32,175,811.20 × 7,068,051.20
  4. Step 4: Simplify right side
    21,447,430.40x = 227,420,280,963,133.44
  5. Step 5: Solve for x
    x = 227,420,280,963,133.44/21,447,430.40
  6. Step 6: Final answer
    x = 10,603,614.36

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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.