Home / 8,005,970.63-12,010,200.10-2,688,430.79

Finding the Fourth Proportional to 8,005,970.63, 12,010,200.10 and 2,688,430.79

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Solution

The fourth proportional to 8,005,970.63, 12,010,200.10 and 2,688,430.79 is: 4,033,063.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005,970.63 : 12,010,200.10 = 2,688,430.79 : x
  2. Step 2: Convert to fraction form
    8,005,970.63/12,010,200.10 = 2,688,430.79/x
  3. Step 3: Cross multiply
    8,005,970.63x = 12,010,200.10 × 2,688,430.79
  4. Step 4: Simplify right side
    8,005,970.63x = 32,288,591,742,901.08
  5. Step 5: Solve for x
    x = 32,288,591,742,901.08/8,005,970.63
  6. Step 6: Final answer
    x = 4,033,063.98

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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.