Home / 30,618,145.80-45,927,218.70-10,423,387.80

Finding the Fourth Proportional to 30,618,145.80, 45,927,218.70 and 10,423,387.80

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Solution

The fourth proportional to 30,618,145.80, 45,927,218.70 and 10,423,387.80 is: 15,635,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,618,145.80 : 45,927,218.70 = 10,423,387.80 : x
  2. Step 2: Convert to fraction form
    30,618,145.80/45,927,218.70 = 10,423,387.80/x
  3. Step 3: Cross multiply
    30,618,145.80x = 45,927,218.70 × 10,423,387.80
  4. Step 4: Simplify right side
    30,618,145.80x = 478,717,211,085,511.94
  5. Step 5: Solve for x
    x = 478,717,211,085,511.94/30,618,145.80
  6. Step 6: Final answer
    x = 15,635,081.70

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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.