Home / 28,162,172.58-38,859,358.89-16,403,376.16

Finding the Fourth Proportional to 28,162,172.58, 38,859,358.89 and 16,403,376.16

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Solution

The fourth proportional to 28,162,172.58, 38,859,358.89 and 16,403,376.16 is: 22,634,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,162,172.58 : 38,859,358.89 = 16,403,376.16 : x
  2. Step 2: Convert to fraction form
    28,162,172.58/38,859,358.89 = 16,403,376.16/x
  3. Step 3: Cross multiply
    28,162,172.58x = 38,859,358.89 × 16,403,376.16
  4. Step 4: Simplify right side
    28,162,172.58x = 637,424,681,209,110.12
  5. Step 5: Solve for x
    x = 637,424,681,209,110.12/28,162,172.58
  6. Step 6: Final answer
    x = 22,634,073.40

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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.