Home / 28,970,710.70-43,456,066.05-15,533,782.70

Finding the Fourth Proportional to 28,970,710.70, 43,456,066.05 and 15,533,782.70

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Solution

The fourth proportional to 28,970,710.70, 43,456,066.05 and 15,533,782.70 is: 23,300,674.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970,710.70 : 43,456,066.05 = 15,533,782.70 : x
  2. Step 2: Convert to fraction form
    28,970,710.70/43,456,066.05 = 15,533,782.70/x
  3. Step 3: Cross multiply
    28,970,710.70x = 43,456,066.05 × 15,533,782.70
  4. Step 4: Simplify right side
    28,970,710.70x = 675,037,087,017,547.25
  5. Step 5: Solve for x
    x = 675,037,087,017,547.25/28,970,710.70
  6. Step 6: Final answer
    x = 23,300,674.05

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Similar ratio
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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.