Home / 14,470,735.36-19,969,848.80-7,944,966.40

Finding the Fourth Proportional to 14,470,735.36, 19,969,848.80 and 7,944,966.40

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Solution

The fourth proportional to 14,470,735.36, 19,969,848.80 and 7,944,966.40 is: 10,964,182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470,735.36 : 19,969,848.80 = 7,944,966.40 : x
  2. Step 2: Convert to fraction form
    14,470,735.36/19,969,848.80 = 7,944,966.40/x
  3. Step 3: Cross multiply
    14,470,735.36x = 19,969,848.80 × 7,944,966.40
  4. Step 4: Simplify right side
    14,470,735.36x = 158,659,777,729,080.34
  5. Step 5: Solve for x
    x = 158,659,777,729,080.34/14,470,735.36
  6. Step 6: Final answer
    x = 10,964,182.11

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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.