Home / 15,178,430.34-20,942,877.54-9,299,306.70

Finding the Fourth Proportional to 15,178,430.34, 20,942,877.54 and 9,299,306.70

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Solution

The fourth proportional to 15,178,430.34, 20,942,877.54 and 9,299,306.70 is: 12,830,986.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178,430.34 : 20,942,877.54 = 9,299,306.70 : x
  2. Step 2: Convert to fraction form
    15,178,430.34/20,942,877.54 = 9,299,306.70/x
  3. Step 3: Cross multiply
    15,178,430.34x = 20,942,877.54 × 9,299,306.70
  4. Step 4: Simplify right side
    15,178,430.34x = 194,754,241,425,001.50
  5. Step 5: Solve for x
    x = 194,754,241,425,001.50/15,178,430.34
  6. Step 6: Final answer
    x = 12,830,986.94

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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.