Home / 14,500,017.15-20,005,126.74-8,219,871.18

Finding the Fourth Proportional to 14,500,017.15, 20,005,126.74 and 8,219,871.18

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Solution

The fourth proportional to 14,500,017.15, 20,005,126.74 and 8,219,871.18 is: 11,340,646.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500,017.15 : 20,005,126.74 = 8,219,871.18 : x
  2. Step 2: Convert to fraction form
    14,500,017.15/20,005,126.74 = 8,219,871.18/x
  3. Step 3: Cross multiply
    14,500,017.15x = 20,005,126.74 × 8,219,871.18
  4. Step 4: Simplify right side
    14,500,017.15x = 164,439,564,742,373.34
  5. Step 5: Solve for x
    x = 164,439,564,742,373.34/14,500,017.15
  6. Step 6: Final answer
    x = 11,340,646.22

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Double scale
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1.5x scale

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.