Home / 38,216,328.84-52,738,166.71-20,812,964.69

Finding the Fourth Proportional to 38,216,328.84, 52,738,166.71 and 20,812,964.69

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Solution

The fourth proportional to 38,216,328.84, 52,738,166.71 and 20,812,964.69 is: 28,721,691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,216,328.84 : 52,738,166.71 = 20,812,964.69 : x
  2. Step 2: Convert to fraction form
    38,216,328.84/52,738,166.71 = 20,812,964.69/x
  3. Step 3: Cross multiply
    38,216,328.84x = 52,738,166.71 × 20,812,964.69
  4. Step 4: Simplify right side
    38,216,328.84x = 1,097,637,601,708,425
  5. Step 5: Solve for x
    x = 1,097,637,601,708,425/38,216,328.84
  6. Step 6: Final answer
    x = 28,721,691.36

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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.