Home / 26,457,021.60-39,685,532.40-21,978,045.60

Finding the Fourth Proportional to 26,457,021.60, 39,685,532.40 and 21,978,045.60

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Solution

The fourth proportional to 26,457,021.60, 39,685,532.40 and 21,978,045.60 is: 32,967,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,457,021.60 : 39,685,532.40 = 21,978,045.60 : x
  2. Step 2: Convert to fraction form
    26,457,021.60/39,685,532.40 = 21,978,045.60/x
  3. Step 3: Cross multiply
    26,457,021.60x = 39,685,532.40 × 21,978,045.60
  4. Step 4: Simplify right side
    26,457,021.60x = 872,210,440,747,477.50
  5. Step 5: Solve for x
    x = 872,210,440,747,477.50/26,457,021.60
  6. Step 6: Final answer
    x = 32,967,068.40

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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.