Home / 12,357,035.40-18,535,553.10-6,688,331.40

Finding the Fourth Proportional to 12,357,035.40, 18,535,553.10 and 6,688,331.40

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Solution

The fourth proportional to 12,357,035.40, 18,535,553.10 and 6,688,331.40 is: 10,032,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357,035.40 : 18,535,553.10 = 6,688,331.40 : x
  2. Step 2: Convert to fraction form
    12,357,035.40/18,535,553.10 = 6,688,331.40/x
  3. Step 3: Cross multiply
    12,357,035.40x = 18,535,553.10 × 6,688,331.40
  4. Step 4: Simplify right side
    12,357,035.40x = 123,971,921,815,097.36
  5. Step 5: Solve for x
    x = 123,971,921,815,097.36/12,357,035.40
  6. Step 6: Final answer
    x = 10,032,497.10

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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.