Home / 28,325,269.80-42,487,904.70-9,169,774.20

Finding the Fourth Proportional to 28,325,269.80, 42,487,904.70 and 9,169,774.20

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Solution

The fourth proportional to 28,325,269.80, 42,487,904.70 and 9,169,774.20 is: 13,754,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,325,269.80 : 42,487,904.70 = 9,169,774.20 : x
  2. Step 2: Convert to fraction form
    28,325,269.80/42,487,904.70 = 9,169,774.20/x
  3. Step 3: Cross multiply
    28,325,269.80x = 42,487,904.70 × 9,169,774.20
  4. Step 4: Simplify right side
    28,325,269.80x = 389,604,492,330,118.75
  5. Step 5: Solve for x
    x = 389,604,492,330,118.75/28,325,269.80
  6. Step 6: Final answer
    x = 13,754,661.30

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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.