Home / 10,155,699.86-14,014,612.64-5,685,192.40

Finding the Fourth Proportional to 10,155,699.86, 14,014,612.64 and 5,685,192.40

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Solution

The fourth proportional to 10,155,699.86, 14,014,612.64 and 5,685,192.40 is: 7,845,423.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155,699.86 : 14,014,612.64 = 5,685,192.40 : x
  2. Step 2: Convert to fraction form
    10,155,699.86/14,014,612.64 = 5,685,192.40/x
  3. Step 3: Cross multiply
    10,155,699.86x = 14,014,612.64 × 5,685,192.40
  4. Step 4: Simplify right side
    10,155,699.86x = 79,675,769,269,871.94
  5. Step 5: Solve for x
    x = 79,675,769,269,871.94/10,155,699.86
  6. Step 6: Final answer
    x = 7,845,423.79

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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.