Home / 8,742,002.80-13,113,004.20-6,828,815.20

Finding the Fourth Proportional to 8,742,002.80, 13,113,004.20 and 6,828,815.20

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Solution

The fourth proportional to 8,742,002.80, 13,113,004.20 and 6,828,815.20 is: 10,243,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,002.80 : 13,113,004.20 = 6,828,815.20 : x
  2. Step 2: Convert to fraction form
    8,742,002.80/13,113,004.20 = 6,828,815.20/x
  3. Step 3: Cross multiply
    8,742,002.80x = 13,113,004.20 × 6,828,815.20
  4. Step 4: Simplify right side
    8,742,002.80x = 89,546,282,398,623.84
  5. Step 5: Solve for x
    x = 89,546,282,398,623.84/8,742,002.80
  6. Step 6: Final answer
    x = 10,243,222.80

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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.