Home / 7,290,005.80-10,935,008.70-7,248,015.40

Finding the Fourth Proportional to 7,290,005.80, 10,935,008.70 and 7,248,015.40

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Solution

The fourth proportional to 7,290,005.80, 10,935,008.70 and 7,248,015.40 is: 10,872,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290,005.80 : 10,935,008.70 = 7,248,015.40 : x
  2. Step 2: Convert to fraction form
    7,290,005.80/10,935,008.70 = 7,248,015.40/x
  3. Step 3: Cross multiply
    7,290,005.80x = 10,935,008.70 × 7,248,015.40
  4. Step 4: Simplify right side
    7,290,005.80x = 79,257,111,456,733.98
  5. Step 5: Solve for x
    x = 79,257,111,456,733.98/7,290,005.80
  6. Step 6: Final answer
    x = 10,872,023.10

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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.