Home / 7,643,692.80-10,547,979.81-4,159,045.91

Finding the Fourth Proportional to 7,643,692.80, 10,547,979.81 and 4,159,045.91

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Solution

The fourth proportional to 7,643,692.80, 10,547,979.81 and 4,159,045.91 is: 5,739,311.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643,692.80 : 10,547,979.81 = 4,159,045.91 : x
  2. Step 2: Convert to fraction form
    7,643,692.80/10,547,979.81 = 4,159,045.91/x
  3. Step 3: Cross multiply
    7,643,692.80x = 10,547,979.81 × 4,159,045.91
  4. Step 4: Simplify right side
    7,643,692.80x = 43,869,532,298,316.61
  5. Step 5: Solve for x
    x = 43,869,532,298,316.61/7,643,692.80
  6. Step 6: Final answer
    x = 5,739,311.28

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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.