Home / 38,180,305.50-52,688,830.23-21,010,897.50

Finding the Fourth Proportional to 38,180,305.50, 52,688,830.23 and 21,010,897.50

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Solution

The fourth proportional to 38,180,305.50, 52,688,830.23 and 21,010,897.50 is: 28,995,043.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180,305.50 : 52,688,830.23 = 21,010,897.50 : x
  2. Step 2: Convert to fraction form
    38,180,305.50/52,688,830.23 = 21,010,897.50/x
  3. Step 3: Cross multiply
    38,180,305.50x = 52,688,830.23 × 21,010,897.50
  4. Step 4: Simplify right side
    38,180,305.50x = 1,107,039,611,357,431.38
  5. Step 5: Solve for x
    x = 1,107,039,611,357,431.38/38,180,305.50
  6. Step 6: Final answer
    x = 28,995,043.30

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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.