Home / 12,817,889.19-17,688,685.77-7,016,674.86

Finding the Fourth Proportional to 12,817,889.19, 17,688,685.77 and 7,016,674.86

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Solution

The fourth proportional to 12,817,889.19, 17,688,685.77 and 7,016,674.86 is: 9,683,010.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817,889.19 : 17,688,685.77 = 7,016,674.86 : x
  2. Step 2: Convert to fraction form
    12,817,889.19/17,688,685.77 = 7,016,674.86/x
  3. Step 3: Cross multiply
    12,817,889.19x = 17,688,685.77 × 7,016,674.86
  4. Step 4: Simplify right side
    12,817,889.19x = 124,115,756,748,798.75
  5. Step 5: Solve for x
    x = 124,115,756,748,798.75/12,817,889.19
  6. Step 6: Final answer
    x = 9,683,010.59

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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.