Home / 13,287,581.40-19,931,372.10-3,190,202.40

Finding the Fourth Proportional to 13,287,581.40, 19,931,372.10 and 3,190,202.40

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Solution

The fourth proportional to 13,287,581.40, 19,931,372.10 and 3,190,202.40 is: 4,785,303.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,581.40 : 19,931,372.10 = 3,190,202.40 : x
  2. Step 2: Convert to fraction form
    13,287,581.40/19,931,372.10 = 3,190,202.40/x
  3. Step 3: Cross multiply
    13,287,581.40x = 19,931,372.10 × 3,190,202.40
  4. Step 4: Simplify right side
    13,287,581.40x = 63,585,111,108,713.04
  5. Step 5: Solve for x
    x = 63,585,111,108,713.04/13,287,581.40
  6. Step 6: Final answer
    x = 4,785,303.60

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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.