Home / 8,991,030.68-12,407,616.96-4,916,649.68

Finding the Fourth Proportional to 8,991,030.68, 12,407,616.96 and 4,916,649.68

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Solution

The fourth proportional to 8,991,030.68, 12,407,616.96 and 4,916,649.68 is: 6,784,973.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,030.68 : 12,407,616.96 = 4,916,649.68 : x
  2. Step 2: Convert to fraction form
    8,991,030.68/12,407,616.96 = 4,916,649.68/x
  3. Step 3: Cross multiply
    8,991,030.68x = 12,407,616.96 × 4,916,649.68
  4. Step 4: Simplify right side
    8,991,030.68x = 61,003,905,955,946.57
  5. Step 5: Solve for x
    x = 61,003,905,955,946.57/8,991,030.68
  6. Step 6: Final answer
    x = 6,784,973.62

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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.