Home / 7,180,985.18-9,909,711.29-4,083,509.75

Finding the Fourth Proportional to 7,180,985.18, 9,909,711.29 and 4,083,509.75

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Solution

The fourth proportional to 7,180,985.18, 9,909,711.29 and 4,083,509.75 is: 5,635,216.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180,985.18 : 9,909,711.29 = 4,083,509.75 : x
  2. Step 2: Convert to fraction form
    7,180,985.18/9,909,711.29 = 4,083,509.75/x
  3. Step 3: Cross multiply
    7,180,985.18x = 9,909,711.29 × 4,083,509.75
  4. Step 4: Simplify right side
    7,180,985.18x = 40,466,402,602,433.98
  5. Step 5: Solve for x
    x = 40,466,402,602,433.98/7,180,985.18
  6. Step 6: Final answer
    x = 5,635,216.00

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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.