Home / 7,010,859.60-10,515,511.80-1,962,680.40

Finding the Fourth Proportional to 7,010,859.60, 10,515,511.80 and 1,962,680.40

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Solution

The fourth proportional to 7,010,859.60, 10,515,511.80 and 1,962,680.40 is: 2,943,802.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010,859.60 : 10,515,511.80 = 1,962,680.40 : x
  2. Step 2: Convert to fraction form
    7,010,859.60/10,515,511.80 = 1,962,680.40/x
  3. Step 3: Cross multiply
    7,010,859.60x = 10,515,511.80 × 1,962,680.40
  4. Step 4: Simplify right side
    7,010,859.60x = 20,638,588,905,828.72
  5. Step 5: Solve for x
    x = 20,638,588,905,828.72/7,010,859.60
  6. Step 6: Final answer
    x = 2,943,802.91

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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.