Home / 15,528,013.32-21,430,252.92-9,335,064.96

Finding the Fourth Proportional to 15,528,013.32, 21,430,252.92 and 9,335,064.96

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Solution

The fourth proportional to 15,528,013.32, 21,430,252.92 and 9,335,064.96 is: 12,883,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,528,013.32 : 21,430,252.92 = 9,335,064.96 : x
  2. Step 2: Convert to fraction form
    15,528,013.32/21,430,252.92 = 9,335,064.96/x
  3. Step 3: Cross multiply
    15,528,013.32x = 21,430,252.92 × 9,335,064.96
  4. Step 4: Simplify right side
    15,528,013.32x = 200,052,803,117,429.72
  5. Step 5: Solve for x
    x = 200,052,803,117,429.72/15,528,013.32
  6. Step 6: Final answer
    x = 12,883,348.24

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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.