Home / 28,380,547.60-42,570,821.40-17,033,808.40

Finding the Fourth Proportional to 28,380,547.60, 42,570,821.40 and 17,033,808.40

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Solution

The fourth proportional to 28,380,547.60, 42,570,821.40 and 17,033,808.40 is: 25,550,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,380,547.60 : 42,570,821.40 = 17,033,808.40 : x
  2. Step 2: Convert to fraction form
    28,380,547.60/42,570,821.40 = 17,033,808.40/x
  3. Step 3: Cross multiply
    28,380,547.60x = 42,570,821.40 × 17,033,808.40
  4. Step 4: Simplify right side
    28,380,547.60x = 725,143,215,158,219.62
  5. Step 5: Solve for x
    x = 725,143,215,158,219.62/28,380,547.60
  6. Step 6: Final answer
    x = 25,550,712.60

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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.