Home / 7,621,678.08-11,421,840-5,727,210.24

Finding the Fourth Proportional to 7,621,678.08, 11,421,840 and 5,727,210.24

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Solution

The fourth proportional to 7,621,678.08, 11,421,840 and 5,727,210.24 is: 8,582,792.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621,678.08 : 11,421,840 = 5,727,210.24 : x
  2. Step 2: Convert to fraction form
    7,621,678.08/11,421,840 = 5,727,210.24/x
  3. Step 3: Cross multiply
    7,621,678.08x = 11,421,840 × 5,727,210.24
  4. Step 4: Simplify right side
    7,621,678.08x = 65,415,279,007,641.60
  5. Step 5: Solve for x
    x = 65,415,279,007,641.60/7,621,678.08
  6. Step 6: Final answer
    x = 8,582,792.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.