Home / 18,020,551.68-24,868,982.88-9,871,790.40

Finding the Fourth Proportional to 18,020,551.68, 24,868,982.88 and 9,871,790.40

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Solution

The fourth proportional to 18,020,551.68, 24,868,982.88 and 9,871,790.40 is: 13,623,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020,551.68 : 24,868,982.88 = 9,871,790.40 : x
  2. Step 2: Convert to fraction form
    18,020,551.68/24,868,982.88 = 9,871,790.40/x
  3. Step 3: Cross multiply
    18,020,551.68x = 24,868,982.88 × 9,871,790.40
  4. Step 4: Simplify right side
    18,020,551.68x = 245,501,386,452,548.34
  5. Step 5: Solve for x
    x = 245,501,386,452,548.34/18,020,551.68
  6. Step 6: Final answer
    x = 13,623,411.25

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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.