Home / 14,005,815.84-21,008,721.60-10,815,595.20

Finding the Fourth Proportional to 14,005,815.84, 21,008,721.60 and 10,815,595.20

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Solution

The fourth proportional to 14,005,815.84, 21,008,721.60 and 10,815,595.20 is: 16,223,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005,815.84 : 21,008,721.60 = 10,815,595.20 : x
  2. Step 2: Convert to fraction form
    14,005,815.84/21,008,721.60 = 10,815,595.20/x
  3. Step 3: Cross multiply
    14,005,815.84x = 21,008,721.60 × 10,815,595.20
  4. Step 4: Simplify right side
    14,005,815.84x = 227,221,828,495,096.31
  5. Step 5: Solve for x
    x = 227,221,828,495,096.31/14,005,815.84
  6. Step 6: Final answer
    x = 16,223,391.13

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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.