Home / 28,565,980.40-42,852,907.20-10,365,766.40

Finding the Fourth Proportional to 28,565,980.40, 42,852,907.20 and 10,365,766.40

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Solution

The fourth proportional to 28,565,980.40, 42,852,907.20 and 10,365,766.40 is: 15,550,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,565,980.40 : 42,852,907.20 = 10,365,766.40 : x
  2. Step 2: Convert to fraction form
    28,565,980.40/42,852,907.20 = 10,365,766.40/x
  3. Step 3: Cross multiply
    28,565,980.40x = 42,852,907.20 × 10,365,766.40
  4. Step 4: Simplify right side
    28,565,980.40x = 444,203,225,596,078.12
  5. Step 5: Solve for x
    x = 444,203,225,596,078.12/28,565,980.40
  6. Step 6: Final answer
    x = 15,550,078.08

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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.