Home / 10,226,148.90-14,112,378.54-5,642,765.52

Finding the Fourth Proportional to 10,226,148.90, 14,112,378.54 and 5,642,765.52

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Solution

The fourth proportional to 10,226,148.90, 14,112,378.54 and 5,642,765.52 is: 7,787,178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226,148.90 : 14,112,378.54 = 5,642,765.52 : x
  2. Step 2: Convert to fraction form
    10,226,148.90/14,112,378.54 = 5,642,765.52/x
  3. Step 3: Cross multiply
    10,226,148.90x = 14,112,378.54 × 5,642,765.52
  4. Step 4: Simplify right side
    10,226,148.90x = 79,632,843,030,699.92
  5. Step 5: Solve for x
    x = 79,632,843,030,699.92/10,226,148.90
  6. Step 6: Final answer
    x = 7,787,178.13

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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.