Home / 20,075,533.02-27,704,487.78-10,908,328.86

Finding the Fourth Proportional to 20,075,533.02, 27,704,487.78 and 10,908,328.86

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Solution

The fourth proportional to 20,075,533.02, 27,704,487.78 and 10,908,328.86 is: 15,053,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,075,533.02 : 27,704,487.78 = 10,908,328.86 : x
  2. Step 2: Convert to fraction form
    20,075,533.02/27,704,487.78 = 10,908,328.86/x
  3. Step 3: Cross multiply
    20,075,533.02x = 27,704,487.78 × 10,908,328.86
  4. Step 4: Simplify right side
    20,075,533.02x = 302,209,663,602,091.31
  5. Step 5: Solve for x
    x = 302,209,663,602,091.31/20,075,533.02
  6. Step 6: Final answer
    x = 15,053,630.87

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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.