Home / 13,341,953.90-18,411,912.14-7,230,382.40

Finding the Fourth Proportional to 13,341,953.90, 18,411,912.14 and 7,230,382.40

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Solution

The fourth proportional to 13,341,953.90, 18,411,912.14 and 7,230,382.40 is: 9,977,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341,953.90 : 18,411,912.14 = 7,230,382.40 : x
  2. Step 2: Convert to fraction form
    13,341,953.90/18,411,912.14 = 7,230,382.40/x
  3. Step 3: Cross multiply
    13,341,953.90x = 18,411,912.14 × 7,230,382.40
  4. Step 4: Simplify right side
    13,341,953.90x = 133,125,165,487,402.34
  5. Step 5: Solve for x
    x = 133,125,165,487,402.34/13,341,953.90
  6. Step 6: Final answer
    x = 9,977,936.25

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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.