Home / 30,497,995.72-42,087,965.37-16,559,938.24

Finding the Fourth Proportional to 30,497,995.72, 42,087,965.37 and 16,559,938.24

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Solution

The fourth proportional to 30,497,995.72, 42,087,965.37 and 16,559,938.24 is: 22,853,111.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,497,995.72 : 42,087,965.37 = 16,559,938.24 : x
  2. Step 2: Convert to fraction form
    30,497,995.72/42,087,965.37 = 16,559,938.24/x
  3. Step 3: Cross multiply
    30,497,995.72x = 42,087,965.37 × 16,559,938.24
  4. Step 4: Simplify right side
    30,497,995.72x = 696,974,107,174,458.75
  5. Step 5: Solve for x
    x = 696,974,107,174,458.75/30,497,995.72
  6. Step 6: Final answer
    x = 22,853,111.84

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Double scale
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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.