Home / 7,700,698.09-10,627,088.68-4,215,978.06

Finding the Fourth Proportional to 7,700,698.09, 10,627,088.68 and 4,215,978.06

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Solution

The fourth proportional to 7,700,698.09, 10,627,088.68 and 4,215,978.06 is: 5,818,118.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700,698.09 : 10,627,088.68 = 4,215,978.06 : x
  2. Step 2: Convert to fraction form
    7,700,698.09/10,627,088.68 = 4,215,978.06/x
  3. Step 3: Cross multiply
    7,700,698.09x = 10,627,088.68 × 4,215,978.06
  4. Step 4: Simplify right side
    7,700,698.09x = 44,803,572,716,554.35
  5. Step 5: Solve for x
    x = 44,803,572,716,554.35/7,700,698.09
  6. Step 6: Final answer
    x = 5,818,118.33

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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.