Home / 10,698,005.48-14,758,542.28-7,212,070.83

Finding the Fourth Proportional to 10,698,005.48, 14,758,542.28 and 7,212,070.83

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Solution

The fourth proportional to 10,698,005.48, 14,758,542.28 and 7,212,070.83 is: 9,949,485.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,698,005.48 : 14,758,542.28 = 7,212,070.83 : x
  2. Step 2: Convert to fraction form
    10,698,005.48/14,758,542.28 = 7,212,070.83/x
  3. Step 3: Cross multiply
    10,698,005.48x = 14,758,542.28 × 7,212,070.83
  4. Step 4: Simplify right side
    10,698,005.48x = 106,439,652,211,684.61
  5. Step 5: Solve for x
    x = 106,439,652,211,684.61/10,698,005.48
  6. Step 6: Final answer
    x = 9,949,485.67

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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.