Home / 13,362,877.76-18,440,821.12-7,251,307.52

Finding the Fourth Proportional to 13,362,877.76, 18,440,821.12 and 7,251,307.52

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Solution

The fourth proportional to 13,362,877.76, 18,440,821.12 and 7,251,307.52 is: 10,006,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362,877.76 : 18,440,821.12 = 7,251,307.52 : x
  2. Step 2: Convert to fraction form
    13,362,877.76/18,440,821.12 = 7,251,307.52/x
  3. Step 3: Cross multiply
    13,362,877.76x = 18,440,821.12 × 7,251,307.52
  4. Step 4: Simplify right side
    13,362,877.76x = 133,720,064,862,430.83
  5. Step 5: Solve for x
    x = 133,720,064,862,430.83/13,362,877.76
  6. Step 6: Final answer
    x = 10,006,831.41

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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.