Home / 13,766,703.40-18,997,270.18-7,655,000.68

Finding the Fourth Proportional to 13,766,703.40, 18,997,270.18 and 7,655,000.68

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Solution

The fourth proportional to 13,766,703.40, 18,997,270.18 and 7,655,000.68 is: 10,563,466.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766,703.40 : 18,997,270.18 = 7,655,000.68 : x
  2. Step 2: Convert to fraction form
    13,766,703.40/18,997,270.18 = 7,655,000.68/x
  3. Step 3: Cross multiply
    13,766,703.40x = 18,997,270.18 × 7,655,000.68
  4. Step 4: Simplify right side
    13,766,703.40x = 145,424,116,146,043.72
  5. Step 5: Solve for x
    x = 145,424,116,146,043.72/13,766,703.40
  6. Step 6: Final answer
    x = 10,563,466.93

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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.