Home / 28,393,430.20-42,573,123.12-13,021,466.46

Finding the Fourth Proportional to 28,393,430.20, 42,573,123.12 and 13,021,466.46

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Solution

The fourth proportional to 28,393,430.20, 42,573,123.12 and 13,021,466.46 is: 19,524,393.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,393,430.20 : 42,573,123.12 = 13,021,466.46 : x
  2. Step 2: Convert to fraction form
    28,393,430.20/42,573,123.12 = 13,021,466.46/x
  3. Step 3: Cross multiply
    28,393,430.20x = 42,573,123.12 × 13,021,466.46
  4. Step 4: Simplify right side
    28,393,430.20x = 554,364,494,804,530.56
  5. Step 5: Solve for x
    x = 554,364,494,804,530.56/28,393,430.20
  6. Step 6: Final answer
    x = 19,524,393.17

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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.