Home / 25,758,458.80-38,637,688.20-16,688,532.40

Finding the Fourth Proportional to 25,758,458.80, 38,637,688.20 and 16,688,532.40

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Solution

The fourth proportional to 25,758,458.80, 38,637,688.20 and 16,688,532.40 is: 25,032,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,758,458.80 : 38,637,688.20 = 16,688,532.40 : x
  2. Step 2: Convert to fraction form
    25,758,458.80/38,637,688.20 = 16,688,532.40/x
  3. Step 3: Cross multiply
    25,758,458.80x = 38,637,688.20 × 16,688,532.40
  4. Step 4: Simplify right side
    25,758,458.80x = 644,806,311,386,797.75
  5. Step 5: Solve for x
    x = 644,806,311,386,797.75/25,758,458.80
  6. Step 6: Final answer
    x = 25,032,798.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.