Home / 21,769,636.16-30,035,333.51-12,348,875.66

Finding the Fourth Proportional to 21,769,636.16, 30,035,333.51 and 12,348,875.66

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Solution

The fourth proportional to 21,769,636.16, 30,035,333.51 and 12,348,875.66 is: 17,037,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,769,636.16 : 30,035,333.51 = 12,348,875.66 : x
  2. Step 2: Convert to fraction form
    21,769,636.16/30,035,333.51 = 12,348,875.66/x
  3. Step 3: Cross multiply
    21,769,636.16x = 30,035,333.51 × 12,348,875.66
  4. Step 4: Simplify right side
    21,769,636.16x = 370,902,598,921,621.38
  5. Step 5: Solve for x
    x = 370,902,598,921,621.38/21,769,636.16
  6. Step 6: Final answer
    x = 17,037,611.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.