Home / 7,620,678.83-10,525,264.92-5,018,813.84

Finding the Fourth Proportional to 7,620,678.83, 10,525,264.92 and 5,018,813.84

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Solution

The fourth proportional to 7,620,678.83, 10,525,264.92 and 5,018,813.84 is: 6,931,711.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620,678.83 : 10,525,264.92 = 5,018,813.84 : x
  2. Step 2: Convert to fraction form
    7,620,678.83/10,525,264.92 = 5,018,813.84/x
  3. Step 3: Cross multiply
    7,620,678.83x = 10,525,264.92 × 5,018,813.84
  4. Step 4: Simplify right side
    7,620,678.83x = 52,824,345,197,536.16
  5. Step 5: Solve for x
    x = 52,824,345,197,536.16/7,620,678.83
  6. Step 6: Final answer
    x = 6,931,711.26

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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.