Home / 30,436,859.28-42,001,740.09-16,497,915.09

Finding the Fourth Proportional to 30,436,859.28, 42,001,740.09 and 16,497,915.09

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Solution

The fourth proportional to 30,436,859.28, 42,001,740.09 and 16,497,915.09 is: 22,766,512.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,436,859.28 : 42,001,740.09 = 16,497,915.09 : x
  2. Step 2: Convert to fraction form
    30,436,859.28/42,001,740.09 = 16,497,915.09/x
  3. Step 3: Cross multiply
    30,436,859.28x = 42,001,740.09 × 16,497,915.09
  4. Step 4: Simplify right side
    30,436,859.28x = 692,941,141,637,069
  5. Step 5: Solve for x
    x = 692,941,141,637,069/30,436,859.28
  6. Step 6: Final answer
    x = 22,766,512.64

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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.