Home / 8,521,315.60-12,781,973.40-4,042,339.60

Finding the Fourth Proportional to 8,521,315.60, 12,781,973.40 and 4,042,339.60

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Solution

The fourth proportional to 8,521,315.60, 12,781,973.40 and 4,042,339.60 is: 6,063,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521,315.60 : 12,781,973.40 = 4,042,339.60 : x
  2. Step 2: Convert to fraction form
    8,521,315.60/12,781,973.40 = 4,042,339.60/x
  3. Step 3: Cross multiply
    8,521,315.60x = 12,781,973.40 × 4,042,339.60
  4. Step 4: Simplify right side
    8,521,315.60x = 51,669,077,240,966.64
  5. Step 5: Solve for x
    x = 51,669,077,240,966.64/8,521,315.60
  6. Step 6: Final answer
    x = 6,063,509.40

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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.