Home / 10,557,551.40-15,829,911.90-4,160,430.60

Finding the Fourth Proportional to 10,557,551.40, 15,829,911.90 and 4,160,430.60

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Solution

The fourth proportional to 10,557,551.40, 15,829,911.90 and 4,160,430.60 is: 6,238,117.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557,551.40 : 15,829,911.90 = 4,160,430.60 : x
  2. Step 2: Convert to fraction form
    10,557,551.40/15,829,911.90 = 4,160,430.60/x
  3. Step 3: Cross multiply
    10,557,551.40x = 15,829,911.90 × 4,160,430.60
  4. Step 4: Simplify right side
    10,557,551.40x = 65,859,249,864,064.14
  5. Step 5: Solve for x
    x = 65,859,249,864,064.14/10,557,551.40
  6. Step 6: Final answer
    x = 6,238,117.85

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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.