Home / 19,850,715.20-29,776,072.80-18,087,118.40

Finding the Fourth Proportional to 19,850,715.20, 29,776,072.80 and 18,087,118.40

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Solution

The fourth proportional to 19,850,715.20, 29,776,072.80 and 18,087,118.40 is: 27,130,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850,715.20 : 29,776,072.80 = 18,087,118.40 : x
  2. Step 2: Convert to fraction form
    19,850,715.20/29,776,072.80 = 18,087,118.40/x
  3. Step 3: Cross multiply
    19,850,715.20x = 29,776,072.80 × 18,087,118.40
  4. Step 4: Simplify right side
    19,850,715.20x = 538,563,354,220,619.50
  5. Step 5: Solve for x
    x = 538,563,354,220,619.50/19,850,715.20
  6. Step 6: Final answer
    x = 27,130,677.60

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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.