Home / 11,330,681.85-15,635,852.01-6,435,888.71

Finding the Fourth Proportional to 11,330,681.85, 15,635,852.01 and 6,435,888.71

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Solution

The fourth proportional to 11,330,681.85, 15,635,852.01 and 6,435,888.71 is: 8,881,248.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330,681.85 : 15,635,852.01 = 6,435,888.71 : x
  2. Step 2: Convert to fraction form
    11,330,681.85/15,635,852.01 = 6,435,888.71/x
  3. Step 3: Cross multiply
    11,330,681.85x = 15,635,852.01 × 6,435,888.71
  4. Step 4: Simplify right side
    11,330,681.85x = 100,630,603,344,210.55
  5. Step 5: Solve for x
    x = 100,630,603,344,210.55/11,330,681.85
  6. Step 6: Final answer
    x = 8,881,248.69

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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.