Home / 28,609,957.19-42,916,420.20-9,442,208.93

Finding the Fourth Proportional to 28,609,957.19, 42,916,420.20 and 9,442,208.93

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Solution

The fourth proportional to 28,609,957.19, 42,916,420.20 and 9,442,208.93 is: 14,163,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,609,957.19 : 42,916,420.20 = 9,442,208.93 : x
  2. Step 2: Convert to fraction form
    28,609,957.19/42,916,420.20 = 9,442,208.93/x
  3. Step 3: Cross multiply
    28,609,957.19x = 42,916,420.20 × 9,442,208.93
  4. Step 4: Simplify right side
    28,609,957.19x = 405,225,806,056,072.38
  5. Step 5: Solve for x
    x = 405,225,806,056,072.38/28,609,957.19
  6. Step 6: Final answer
    x = 14,163,803.30

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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.