Home / 46,656,006.40-69,984,009.60-21,146,838.40

Finding the Fourth Proportional to 46,656,006.40, 69,984,009.60 and 21,146,838.40

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Solution

The fourth proportional to 46,656,006.40, 69,984,009.60 and 21,146,838.40 is: 31,720,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,656,006.40 : 69,984,009.60 = 21,146,838.40 : x
  2. Step 2: Convert to fraction form
    46,656,006.40/69,984,009.60 = 21,146,838.40/x
  3. Step 3: Cross multiply
    46,656,006.40x = 69,984,009.60 × 21,146,838.40
  4. Step 4: Simplify right side
    46,656,006.40x = 1,479,940,541,595,248.50
  5. Step 5: Solve for x
    x = 1,479,940,541,595,248.50/46,656,006.40
  6. Step 6: Final answer
    x = 31,720,257.60

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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.