Home / 7,102,746.40-10,641,872.40-3,308,447.20

Finding the Fourth Proportional to 7,102,746.40, 10,641,872.40 and 3,308,447.20

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Solution

The fourth proportional to 7,102,746.40, 10,641,872.40 and 3,308,447.20 is: 4,956,966.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102,746.40 : 10,641,872.40 = 3,308,447.20 : x
  2. Step 2: Convert to fraction form
    7,102,746.40/10,641,872.40 = 3,308,447.20/x
  3. Step 3: Cross multiply
    7,102,746.40x = 10,641,872.40 × 3,308,447.20
  4. Step 4: Simplify right side
    7,102,746.40x = 35,208,072,944,537.28
  5. Step 5: Solve for x
    x = 35,208,072,944,537.28/7,102,746.40
  6. Step 6: Final answer
    x = 4,956,966.08

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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.