Home / 9,142,138.35-12,616,081.02-5,012,120.07

Finding the Fourth Proportional to 9,142,138.35, 12,616,081.02 and 5,012,120.07

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Solution

The fourth proportional to 9,142,138.35, 12,616,081.02 and 5,012,120.07 is: 6,916,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142,138.35 : 12,616,081.02 = 5,012,120.07 : x
  2. Step 2: Convert to fraction form
    9,142,138.35/12,616,081.02 = 5,012,120.07/x
  3. Step 3: Cross multiply
    9,142,138.35x = 12,616,081.02 × 5,012,120.07
  4. Step 4: Simplify right side
    9,142,138.35x = 63,233,312,885,088.07
  5. Step 5: Solve for x
    x = 63,233,312,885,088.07/9,142,138.35
  6. Step 6: Final answer
    x = 6,916,687.37

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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.