Home / 10,457,867.70-15,686,801.55-7,056,645.30

Finding the Fourth Proportional to 10,457,867.70, 15,686,801.55 and 7,056,645.30

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Solution

The fourth proportional to 10,457,867.70, 15,686,801.55 and 7,056,645.30 is: 10,584,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457,867.70 : 15,686,801.55 = 7,056,645.30 : x
  2. Step 2: Convert to fraction form
    10,457,867.70/15,686,801.55 = 7,056,645.30/x
  3. Step 3: Cross multiply
    10,457,867.70x = 15,686,801.55 × 7,056,645.30
  4. Step 4: Simplify right side
    10,457,867.70x = 110,696,194,429,840.22
  5. Step 5: Solve for x
    x = 110,696,194,429,840.22/10,457,867.70
  6. Step 6: Final answer
    x = 10,584,967.95

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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.