Home / 13,656,076.80-20,478,210.30-6,830,012.40

Finding the Fourth Proportional to 13,656,076.80, 20,478,210.30 and 6,830,012.40

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Solution

The fourth proportional to 13,656,076.80, 20,478,210.30 and 6,830,012.40 is: 10,242,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656,076.80 : 20,478,210.30 = 6,830,012.40 : x
  2. Step 2: Convert to fraction form
    13,656,076.80/20,478,210.30 = 6,830,012.40/x
  3. Step 3: Cross multiply
    13,656,076.80x = 20,478,210.30 × 6,830,012.40
  4. Step 4: Simplify right side
    13,656,076.80x = 139,866,430,278,807.73
  5. Step 5: Solve for x
    x = 139,866,430,278,807.73/13,656,076.80
  6. Step 6: Final answer
    x = 10,242,065.30

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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.