Home / 13,611,403.98-18,785,061.20-10,167,666.30

Finding the Fourth Proportional to 13,611,403.98, 18,785,061.20 and 10,167,666.30

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Solution

The fourth proportional to 13,611,403.98, 18,785,061.20 and 10,167,666.30 is: 14,032,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611,403.98 : 18,785,061.20 = 10,167,666.30 : x
  2. Step 2: Convert to fraction form
    13,611,403.98/18,785,061.20 = 10,167,666.30/x
  3. Step 3: Cross multiply
    13,611,403.98x = 18,785,061.20 × 10,167,666.30
  4. Step 4: Simplify right side
    13,611,403.98x = 191,000,233,706,677.56
  5. Step 5: Solve for x
    x = 191,000,233,706,677.56/13,611,403.98
  6. Step 6: Final answer
    x = 14,032,368.30

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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.