Home / 13,121,307.52-19,679,718.45-3,534,444.05

Finding the Fourth Proportional to 13,121,307.52, 19,679,718.45 and 3,534,444.05

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Solution

The fourth proportional to 13,121,307.52, 19,679,718.45 and 3,534,444.05 is: 5,301,061.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,307.52 : 19,679,718.45 = 3,534,444.05 : x
  2. Step 2: Convert to fraction form
    13,121,307.52/19,679,718.45 = 3,534,444.05/x
  3. Step 3: Cross multiply
    13,121,307.52x = 19,679,718.45 × 3,534,444.05
  4. Step 4: Simplify right side
    13,121,307.52x = 69,556,863,696,133.29
  5. Step 5: Solve for x
    x = 69,556,863,696,133.29/13,121,307.52
  6. Step 6: Final answer
    x = 5,301,061.93

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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.