Home / 13,434,791.52-18,539,312.76-7,632,768

Finding the Fourth Proportional to 13,434,791.52, 18,539,312.76 and 7,632,768

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Solution

The fourth proportional to 13,434,791.52, 18,539,312.76 and 7,632,768 is: 10,532,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434,791.52 : 18,539,312.76 = 7,632,768 : x
  2. Step 2: Convert to fraction form
    13,434,791.52/18,539,312.76 = 7,632,768/x
  3. Step 3: Cross multiply
    13,434,791.52x = 18,539,312.76 × 7,632,768
  4. Step 4: Simplify right side
    13,434,791.52x = 141,506,273,176,519.69
  5. Step 5: Solve for x
    x = 141,506,273,176,519.69/13,434,791.52
  6. Step 6: Final answer
    x = 10,532,822.41

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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.