Home / 8,742,001.70-13,113,002.55-8,574,040.10

Finding the Fourth Proportional to 8,742,001.70, 13,113,002.55 and 8,574,040.10

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Solution

The fourth proportional to 8,742,001.70, 13,113,002.55 and 8,574,040.10 is: 12,861,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,001.70 : 13,113,002.55 = 8,574,040.10 : x
  2. Step 2: Convert to fraction form
    8,742,001.70/13,113,002.55 = 8,574,040.10/x
  3. Step 3: Cross multiply
    8,742,001.70x = 13,113,002.55 × 8,574,040.10
  4. Step 4: Simplify right side
    8,742,001.70x = 112,431,409,695,102.25
  5. Step 5: Solve for x
    x = 112,431,409,695,102.25/8,742,001.70
  6. Step 6: Final answer
    x = 12,861,060.15

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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.