Home / 13,047,322.68-19,570,859.10-7,931,165.40

Finding the Fourth Proportional to 13,047,322.68, 19,570,859.10 and 7,931,165.40

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Solution

The fourth proportional to 13,047,322.68, 19,570,859.10 and 7,931,165.40 is: 11,896,672.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047,322.68 : 19,570,859.10 = 7,931,165.40 : x
  2. Step 2: Convert to fraction form
    13,047,322.68/19,570,859.10 = 7,931,165.40/x
  3. Step 3: Cross multiply
    13,047,322.68x = 19,570,859.10 × 7,931,165.40
  4. Step 4: Simplify right side
    13,047,322.68x = 155,219,720,542,195.16
  5. Step 5: Solve for x
    x = 155,219,720,542,195.16/13,047,322.68
  6. Step 6: Final answer
    x = 11,896,672.16

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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.