Home / 38,307,528.45-52,865,510.83-20,904,995.36

Finding the Fourth Proportional to 38,307,528.45, 52,865,510.83 and 20,904,995.36

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Solution

The fourth proportional to 38,307,528.45, 52,865,510.83 and 20,904,995.36 is: 28,849,505.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,307,528.45 : 52,865,510.83 = 20,904,995.36 : x
  2. Step 2: Convert to fraction form
    38,307,528.45/52,865,510.83 = 20,904,995.36/x
  3. Step 3: Cross multiply
    38,307,528.45x = 52,865,510.83 × 20,904,995.36
  4. Step 4: Simplify right side
    38,307,528.45x = 1,105,153,258,685,081.12
  5. Step 5: Solve for x
    x = 1,105,153,258,685,081.12/38,307,528.45
  6. Step 6: Final answer
    x = 28,849,505.66

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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.