Home / 6,870,389.12-9,483,228.96-4,290,427.52

Finding the Fourth Proportional to 6,870,389.12, 9,483,228.96 and 4,290,427.52

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Solution

The fourth proportional to 6,870,389.12, 9,483,228.96 and 4,290,427.52 is: 5,922,096.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870,389.12 : 9,483,228.96 = 4,290,427.52 : x
  2. Step 2: Convert to fraction form
    6,870,389.12/9,483,228.96 = 4,290,427.52/x
  3. Step 3: Cross multiply
    6,870,389.12x = 9,483,228.96 × 4,290,427.52
  4. Step 4: Simplify right side
    6,870,389.12x = 40,687,106,508,444.98
  5. Step 5: Solve for x
    x = 40,687,106,508,444.98/6,870,389.12
  6. Step 6: Final answer
    x = 5,922,096.38

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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.