Home / 8,344,430.89-12,518,059.39-2,878,041.40

Finding the Fourth Proportional to 8,344,430.89, 12,518,059.39 and 2,878,041.40

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Solution

The fourth proportional to 8,344,430.89, 12,518,059.39 and 2,878,041.40 is: 4,317,549.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344,430.89 : 12,518,059.39 = 2,878,041.40 : x
  2. Step 2: Convert to fraction form
    8,344,430.89/12,518,059.39 = 2,878,041.40/x
  3. Step 3: Cross multiply
    8,344,430.89x = 12,518,059.39 × 2,878,041.40
  4. Step 4: Simplify right side
    8,344,430.89x = 36,027,493,133,588.49
  5. Step 5: Solve for x
    x = 36,027,493,133,588.49/8,344,430.89
  6. Step 6: Final answer
    x = 4,317,549.47

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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.