Home / 12,940,848.04-19,395,529.98-9,155,422.12

Finding the Fourth Proportional to 12,940,848.04, 19,395,529.98 and 9,155,422.12

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Solution

The fourth proportional to 12,940,848.04, 19,395,529.98 and 9,155,422.12 is: 13,721,995.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940,848.04 : 19,395,529.98 = 9,155,422.12 : x
  2. Step 2: Convert to fraction form
    12,940,848.04/19,395,529.98 = 9,155,422.12/x
  3. Step 3: Cross multiply
    12,940,848.04x = 19,395,529.98 × 9,155,422.12
  4. Step 4: Simplify right side
    12,940,848.04x = 177,574,264,208,015.16
  5. Step 5: Solve for x
    x = 177,574,264,208,015.16/12,940,848.04
  6. Step 6: Final answer
    x = 13,721,995.94

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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.