Home / 12,925,465.70-17,837,178.83-7,124,270.51

Finding the Fourth Proportional to 12,925,465.70, 17,837,178.83 and 7,124,270.51

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Solution

The fourth proportional to 12,925,465.70, 17,837,178.83 and 7,124,270.51 is: 9,831,513.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,925,465.70 : 17,837,178.83 = 7,124,270.51 : x
  2. Step 2: Convert to fraction form
    12,925,465.70/17,837,178.83 = 7,124,270.51/x
  3. Step 3: Cross multiply
    12,925,465.70x = 17,837,178.83 × 7,124,270.51
  4. Step 4: Simplify right side
    12,925,465.70x = 127,076,887,095,592.81
  5. Step 5: Solve for x
    x = 127,076,887,095,592.81/12,925,465.70
  6. Step 6: Final answer
    x = 9,831,513.23

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1.5x scale

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.