Home / 18,772,032-25,905,715.20-10,187,328

Finding the Fourth Proportional to 18,772,032, 25,905,715.20 and 10,187,328

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Solution

The fourth proportional to 18,772,032, 25,905,715.20 and 10,187,328 is: 14,058,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,772,032 : 25,905,715.20 = 10,187,328 : x
  2. Step 2: Convert to fraction form
    18,772,032/25,905,715.20 = 10,187,328/x
  3. Step 3: Cross multiply
    18,772,032x = 25,905,715.20 × 10,187,328
  4. Step 4: Simplify right side
    18,772,032x = 263,910,017,816,985.59
  5. Step 5: Solve for x
    x = 263,910,017,816,985.59/18,772,032
  6. Step 6: Final answer
    x = 14,058,681.44

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1.5x scale

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.