Home / 14,461,787.20-21,681,266.95-7,170,219.50

Finding the Fourth Proportional to 14,461,787.20, 21,681,266.95 and 7,170,219.50

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Solution

The fourth proportional to 14,461,787.20, 21,681,266.95 and 7,170,219.50 is: 10,749,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,461,787.20 : 21,681,266.95 = 7,170,219.50 : x
  2. Step 2: Convert to fraction form
    14,461,787.20/21,681,266.95 = 7,170,219.50/x
  3. Step 3: Cross multiply
    14,461,787.20x = 21,681,266.95 × 7,170,219.50
  4. Step 4: Simplify right side
    14,461,787.20x = 155,459,442,943,263.66
  5. Step 5: Solve for x
    x = 155,459,442,943,263.66/14,461,787.20
  6. Step 6: Final answer
    x = 10,749,670.20

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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.