Home / 14,518,931.04-20,042,927.28-8,406,178.56

Finding the Fourth Proportional to 14,518,931.04, 20,042,927.28 and 8,406,178.56

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Solution

The fourth proportional to 14,518,931.04, 20,042,927.28 and 8,406,178.56 is: 11,604,464.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518,931.04 : 20,042,927.28 = 8,406,178.56 : x
  2. Step 2: Convert to fraction form
    14,518,931.04/20,042,927.28 = 8,406,178.56/x
  3. Step 3: Cross multiply
    14,518,931.04x = 20,042,927.28 × 8,406,178.56
  4. Step 4: Simplify right side
    14,518,931.04x = 168,484,425,580,775.12
  5. Step 5: Solve for x
    x = 168,484,425,580,775.12/14,518,931.04
  6. Step 6: Final answer
    x = 11,604,464.90

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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.