Home / 32,698,482.05-45,120,517.48-20,137,549.25

Finding the Fourth Proportional to 32,698,482.05, 45,120,517.48 and 20,137,549.25

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Solution

The fourth proportional to 32,698,482.05, 45,120,517.48 and 20,137,549.25 is: 27,787,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,698,482.05 : 45,120,517.48 = 20,137,549.25 : x
  2. Step 2: Convert to fraction form
    32,698,482.05/45,120,517.48 = 20,137,549.25/x
  3. Step 3: Cross multiply
    32,698,482.05x = 45,120,517.48 × 20,137,549.25
  4. Step 4: Simplify right side
    32,698,482.05x = 908,616,642,938,985.88
  5. Step 5: Solve for x
    x = 908,616,642,938,985.88/32,698,482.05
  6. Step 6: Final answer
    x = 27,787,731.60

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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.