Home / 42,258,632.09-63,397,037.85-13,111,887.13

Finding the Fourth Proportional to 42,258,632.09, 63,397,037.85 and 13,111,887.13

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Solution

The fourth proportional to 42,258,632.09, 63,397,037.85 and 13,111,887.13 is: 19,670,651.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,258,632.09 : 63,397,037.85 = 13,111,887.13 : x
  2. Step 2: Convert to fraction form
    42,258,632.09/63,397,037.85 = 13,111,887.13/x
  3. Step 3: Cross multiply
    42,258,632.09x = 63,397,037.85 × 13,111,887.13
  4. Step 4: Simplify right side
    42,258,632.09x = 831,254,804,282,993.25
  5. Step 5: Solve for x
    x = 831,254,804,282,993.25/42,258,632.09
  6. Step 6: Final answer
    x = 19,670,651.02

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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.