Home / 19,690,931.91-27,176,224.86-10,989,665.03

Finding the Fourth Proportional to 19,690,931.91, 27,176,224.86 and 10,989,665.03

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Solution

The fourth proportional to 19,690,931.91, 27,176,224.86 and 10,989,665.03 is: 15,167,266.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690,931.91 : 27,176,224.86 = 10,989,665.03 : x
  2. Step 2: Convert to fraction form
    19,690,931.91/27,176,224.86 = 10,989,665.03/x
  3. Step 3: Cross multiply
    19,690,931.91x = 27,176,224.86 × 10,989,665.03
  4. Step 4: Simplify right side
    19,690,931.91x = 298,657,607,855,477.50
  5. Step 5: Solve for x
    x = 298,657,607,855,477.50/19,690,931.91
  6. Step 6: Final answer
    x = 15,167,266.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.