Home / 19,986,822.10-29,980,233.15-18,551,931.40

Finding the Fourth Proportional to 19,986,822.10, 29,980,233.15 and 18,551,931.40

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Solution

The fourth proportional to 19,986,822.10, 29,980,233.15 and 18,551,931.40 is: 27,827,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986,822.10 : 29,980,233.15 = 18,551,931.40 : x
  2. Step 2: Convert to fraction form
    19,986,822.10/29,980,233.15 = 18,551,931.40/x
  3. Step 3: Cross multiply
    19,986,822.10x = 29,980,233.15 × 18,551,931.40
  4. Step 4: Simplify right side
    19,986,822.10x = 556,191,228,754,805.81
  5. Step 5: Solve for x
    x = 556,191,228,754,805.81/19,986,822.10
  6. Step 6: Final answer
    x = 27,827,897.10

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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.