Home / 7,219,205.60-10,828,808.40-7,169,439.20

Finding the Fourth Proportional to 7,219,205.60, 10,828,808.40 and 7,169,439.20

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Solution

The fourth proportional to 7,219,205.60, 10,828,808.40 and 7,169,439.20 is: 10,754,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219,205.60 : 10,828,808.40 = 7,169,439.20 : x
  2. Step 2: Convert to fraction form
    7,219,205.60/10,828,808.40 = 7,169,439.20/x
  3. Step 3: Cross multiply
    7,219,205.60x = 10,828,808.40 × 7,169,439.20
  4. Step 4: Simplify right side
    7,219,205.60x = 77,636,483,432,249.28
  5. Step 5: Solve for x
    x = 77,636,483,432,249.28/7,219,205.60
  6. Step 6: Final answer
    x = 10,754,158.80

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1.5x scale

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.