Home / 9,742,139.52-13,444,178.68-5,391,525.84

Finding the Fourth Proportional to 9,742,139.52, 13,444,178.68 and 5,391,525.84

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Solution

The fourth proportional to 9,742,139.52, 13,444,178.68 and 5,391,525.84 is: 7,440,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742,139.52 : 13,444,178.68 = 5,391,525.84 : x
  2. Step 2: Convert to fraction form
    9,742,139.52/13,444,178.68 = 5,391,525.84/x
  3. Step 3: Cross multiply
    9,742,139.52x = 13,444,178.68 × 5,391,525.84
  4. Step 4: Simplify right side
    9,742,139.52x = 72,484,636,750,797.09
  5. Step 5: Solve for x
    x = 72,484,636,750,797.09/9,742,139.52
  6. Step 6: Final answer
    x = 7,440,320.13

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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.