Home / 22,477,426.49-31,018,836.09-12,687,955.22

Finding the Fourth Proportional to 22,477,426.49, 31,018,836.09 and 12,687,955.22

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Solution

The fourth proportional to 22,477,426.49, 31,018,836.09 and 12,687,955.22 is: 17,509,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,477,426.49 : 31,018,836.09 = 12,687,955.22 : x
  2. Step 2: Convert to fraction form
    22,477,426.49/31,018,836.09 = 12,687,955.22/x
  3. Step 3: Cross multiply
    22,477,426.49x = 31,018,836.09 × 12,687,955.22
  4. Step 4: Simplify right side
    22,477,426.49x = 393,565,603,411,566.81
  5. Step 5: Solve for x
    x = 393,565,603,411,566.81/22,477,426.49
  6. Step 6: Final answer
    x = 17,509,371.17

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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.