Home / 13,262,973.78-19,894,459.50-3,678,352.20

Finding the Fourth Proportional to 13,262,973.78, 19,894,459.50 and 3,678,352.20

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Solution

The fourth proportional to 13,262,973.78, 19,894,459.50 and 3,678,352.20 is: 5,517,527.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262,973.78 : 19,894,459.50 = 3,678,352.20 : x
  2. Step 2: Convert to fraction form
    13,262,973.78/19,894,459.50 = 3,678,352.20/x
  3. Step 3: Cross multiply
    13,262,973.78x = 19,894,459.50 × 3,678,352.20
  4. Step 4: Simplify right side
    13,262,973.78x = 73,178,828,869,635.91
  5. Step 5: Solve for x
    x = 73,178,828,869,635.91/13,262,973.78
  6. Step 6: Final answer
    x = 5,517,527.98

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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.