Home / 28,403,763.40-42,605,645.10-23,868,800.20

Finding the Fourth Proportional to 28,403,763.40, 42,605,645.10 and 23,868,800.20

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Solution

The fourth proportional to 28,403,763.40, 42,605,645.10 and 23,868,800.20 is: 35,803,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,763.40 : 42,605,645.10 = 23,868,800.20 : x
  2. Step 2: Convert to fraction form
    28,403,763.40/42,605,645.10 = 23,868,800.20/x
  3. Step 3: Cross multiply
    28,403,763.40x = 42,605,645.10 × 23,868,800.20
  4. Step 4: Simplify right side
    28,403,763.40x = 1,016,945,630,284,009
  5. Step 5: Solve for x
    x = 1,016,945,630,284,009/28,403,763.40
  6. Step 6: Final answer
    x = 35,803,200.30

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1.5x scale

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.