Home / 9,878,643.90-13,630,484.52-6,780,029.40

Finding the Fourth Proportional to 9,878,643.90, 13,630,484.52 and 6,780,029.40

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Solution

The fourth proportional to 9,878,643.90, 13,630,484.52 and 6,780,029.40 is: 9,355,037.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,878,643.90 : 13,630,484.52 = 6,780,029.40 : x
  2. Step 2: Convert to fraction form
    9,878,643.90/13,630,484.52 = 6,780,029.40/x
  3. Step 3: Cross multiply
    9,878,643.90x = 13,630,484.52 × 6,780,029.40
  4. Step 4: Simplify right side
    9,878,643.90x = 92,415,085,781,844.89
  5. Step 5: Solve for x
    x = 92,415,085,781,844.89/9,878,643.90
  6. Step 6: Final answer
    x = 9,355,037.67

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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.