Home / 7,838,312.62-10,812,508.83-7,283,460.21

Finding the Fourth Proportional to 7,838,312.62, 10,812,508.83 and 7,283,460.21

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Solution

The fourth proportional to 7,838,312.62, 10,812,508.83 and 7,283,460.21 is: 10,047,121.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838,312.62 : 10,812,508.83 = 7,283,460.21 : x
  2. Step 2: Convert to fraction form
    7,838,312.62/10,812,508.83 = 7,283,460.21/x
  3. Step 3: Cross multiply
    7,838,312.62x = 10,812,508.83 × 7,283,460.21
  4. Step 4: Simplify right side
    7,838,312.62x = 78,752,477,754,701.64
  5. Step 5: Solve for x
    x = 78,752,477,754,701.64/7,838,312.62
  6. Step 6: Final answer
    x = 10,047,121.31

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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.