Home / 10,125,104,710.37-15,172,405,041.76-9,021,685,720.10

Finding the Fourth Proportional to 10,125,104,710.37, 15,172,405,041.76 and 9,021,685,720.10

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Solution

The fourth proportional to 10,125,104,710.37, 15,172,405,041.76 and 9,021,685,720.10 is: 13,518,938,699.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125,104,710.37 : 15,172,405,041.76 = 9,021,685,720.10 : x
  2. Step 2: Convert to fraction form
    10,125,104,710.37/15,172,405,041.76 = 9,021,685,720.10/x
  3. Step 3: Cross multiply
    10,125,104,710.37x = 15,172,405,041.76 × 9,021,685,720.10
  4. Step 4: Simplify right side
    10,125,104,710.37x = 136,880,669,904,716,496,896
  5. Step 5: Solve for x
    x = 136,880,669,904,716,496,896/10,125,104,710.37
  6. Step 6: Final answer
    x = 13,518,938,699.43

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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.