Home / 28,995,395.23-40,012,569.30-15,941,877.49

Finding the Fourth Proportional to 28,995,395.23, 40,012,569.30 and 15,941,877.49

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Solution

The fourth proportional to 28,995,395.23, 40,012,569.30 and 15,941,877.49 is: 21,999,199.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995,395.23 : 40,012,569.30 = 15,941,877.49 : x
  2. Step 2: Convert to fraction form
    28,995,395.23/40,012,569.30 = 15,941,877.49/x
  3. Step 3: Cross multiply
    28,995,395.23x = 40,012,569.30 × 15,941,877.49
  4. Step 4: Simplify right side
    28,995,395.23x = 637,875,477,840,735
  5. Step 5: Solve for x
    x = 637,875,477,840,735/28,995,395.23
  6. Step 6: Final answer
    x = 21,999,199.28

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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.