Home / 13,180,355.90-19,773,515.06-7,114,957.45

Finding the Fourth Proportional to 13,180,355.90, 19,773,515.06 and 7,114,957.45

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Solution

The fourth proportional to 13,180,355.90, 19,773,515.06 and 7,114,957.45 is: 10,674,045.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180,355.90 : 19,773,515.06 = 7,114,957.45 : x
  2. Step 2: Convert to fraction form
    13,180,355.90/19,773,515.06 = 7,114,957.45/x
  3. Step 3: Cross multiply
    13,180,355.90x = 19,773,515.06 × 7,114,957.45
  4. Step 4: Simplify right side
    13,180,355.90x = 140,687,718,154,391.84
  5. Step 5: Solve for x
    x = 140,687,718,154,391.84/13,180,355.90
  6. Step 6: Final answer
    x = 10,674,045.47

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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.