Home / 7,742,087.10-10,684,354.98-4,257,690.78

Finding the Fourth Proportional to 7,742,087.10, 10,684,354.98 and 4,257,690.78

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Solution

The fourth proportional to 7,742,087.10, 10,684,354.98 and 4,257,690.78 is: 5,875,764.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742,087.10 : 10,684,354.98 = 4,257,690.78 : x
  2. Step 2: Convert to fraction form
    7,742,087.10/10,684,354.98 = 4,257,690.78/x
  3. Step 3: Cross multiply
    7,742,087.10x = 10,684,354.98 × 4,257,690.78
  4. Step 4: Simplify right side
    7,742,087.10x = 45,490,679,688,593.09
  5. Step 5: Solve for x
    x = 45,490,679,688,593.09/7,742,087.10
  6. Step 6: Final answer
    x = 5,875,764.39

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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.