Home / 21,271,934.48-29,354,870.91-13,011,390.02

Finding the Fourth Proportional to 21,271,934.48, 29,354,870.91 and 13,011,390.02

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Solution

The fourth proportional to 21,271,934.48, 29,354,870.91 and 13,011,390.02 is: 17,955,474.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,271,934.48 : 29,354,870.91 = 13,011,390.02 : x
  2. Step 2: Convert to fraction form
    21,271,934.48/29,354,870.91 = 13,011,390.02/x
  3. Step 3: Cross multiply
    21,271,934.48x = 29,354,870.91 × 13,011,390.02
  4. Step 4: Simplify right side
    21,271,934.48x = 381,947,674,396,762.31
  5. Step 5: Solve for x
    x = 381,947,674,396,762.31/21,271,934.48
  6. Step 6: Final answer
    x = 17,955,474.37

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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.