Home / 47,553,913.89-71,308,384.43-18,421,397.19

Finding the Fourth Proportional to 47,553,913.89, 71,308,384.43 and 18,421,397.19

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Solution

The fourth proportional to 47,553,913.89, 71,308,384.43 and 18,421,397.19 is: 27,623,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,553,913.89 : 71,308,384.43 = 18,421,397.19 : x
  2. Step 2: Convert to fraction form
    47,553,913.89/71,308,384.43 = 18,421,397.19/x
  3. Step 3: Cross multiply
    47,553,913.89x = 71,308,384.43 × 18,421,397.19
  4. Step 4: Simplify right side
    47,553,913.89x = 1,313,600,072,470,134.75
  5. Step 5: Solve for x
    x = 1,313,600,072,470,134.75/47,553,913.89
  6. Step 6: Final answer
    x = 27,623,385.02

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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.