Home / 8,709,123.30-13,047,938.55-7,449,411.30

Finding the Fourth Proportional to 8,709,123.30, 13,047,938.55 and 7,449,411.30

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Solution

The fourth proportional to 8,709,123.30, 13,047,938.55 and 7,449,411.30 is: 11,160,648.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709,123.30 : 13,047,938.55 = 7,449,411.30 : x
  2. Step 2: Convert to fraction form
    8,709,123.30/13,047,938.55 = 7,449,411.30/x
  3. Step 3: Cross multiply
    8,709,123.30x = 13,047,938.55 × 7,449,411.30
  4. Step 4: Simplify right side
    8,709,123.30x = 97,199,460,876,075.62
  5. Step 5: Solve for x
    x = 97,199,460,876,075.62/8,709,123.30
  6. Step 6: Final answer
    x = 11,160,648.15

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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.