Home / 13,931,448.66-20,899,683.59-5,732,642.63

Finding the Fourth Proportional to 13,931,448.66, 20,899,683.59 and 5,732,642.63

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Solution

The fourth proportional to 13,931,448.66, 20,899,683.59 and 5,732,642.63 is: 8,599,997.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,931,448.66 : 20,899,683.59 = 5,732,642.63 : x
  2. Step 2: Convert to fraction form
    13,931,448.66/20,899,683.59 = 5,732,642.63/x
  3. Step 3: Cross multiply
    13,931,448.66x = 20,899,683.59 × 5,732,642.63
  4. Step 4: Simplify right side
    13,931,448.66x = 119,810,417,168,126.27
  5. Step 5: Solve for x
    x = 119,810,417,168,126.27/13,931,448.66
  6. Step 6: Final answer
    x = 8,599,997.03

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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.