Home / 13,959,399.04-19,264,000.64-7,847,877.76

Finding the Fourth Proportional to 13,959,399.04, 19,264,000.64 and 7,847,877.76

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Solution

The fourth proportional to 13,959,399.04, 19,264,000.64 and 7,847,877.76 is: 10,830,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959,399.04 : 19,264,000.64 = 7,847,877.76 : x
  2. Step 2: Convert to fraction form
    13,959,399.04/19,264,000.64 = 7,847,877.76/x
  3. Step 3: Cross multiply
    13,959,399.04x = 19,264,000.64 × 7,847,877.76
  4. Step 4: Simplify right side
    13,959,399.04x = 151,181,522,191,281.78
  5. Step 5: Solve for x
    x = 151,181,522,191,281.78/13,959,399.04
  6. Step 6: Final answer
    x = 10,830,088.15

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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.