Home / 9,878,645.40-14,819,056.74-3,145,510.68

Finding the Fourth Proportional to 9,878,645.40, 14,819,056.74 and 3,145,510.68

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Solution

The fourth proportional to 9,878,645.40, 14,819,056.74 and 3,145,510.68 is: 4,718,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,878,645.40 : 14,819,056.74 = 3,145,510.68 : x
  2. Step 2: Convert to fraction form
    9,878,645.40/14,819,056.74 = 3,145,510.68/x
  3. Step 3: Cross multiply
    9,878,645.40x = 14,819,056.74 × 3,145,510.68
  4. Step 4: Simplify right side
    9,878,645.40x = 46,613,501,243,195.98
  5. Step 5: Solve for x
    x = 46,613,501,243,195.98/9,878,645.40
  6. Step 6: Final answer
    x = 4,718,612.66

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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.