Home / 28,871,251.12-39,840,802.32-16,480,851.76

Finding the Fourth Proportional to 28,871,251.12, 39,840,802.32 and 16,480,851.76

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Solution

The fourth proportional to 28,871,251.12, 39,840,802.32 and 16,480,851.76 is: 22,742,705.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871,251.12 : 39,840,802.32 = 16,480,851.76 : x
  2. Step 2: Convert to fraction form
    28,871,251.12/39,840,802.32 = 16,480,851.76/x
  3. Step 3: Cross multiply
    28,871,251.12x = 39,840,802.32 × 16,480,851.76
  4. Step 4: Simplify right side
    28,871,251.12x = 656,610,357,035,384.12
  5. Step 5: Solve for x
    x = 656,610,357,035,384.12/28,871,251.12
  6. Step 6: Final answer
    x = 22,742,705.34

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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.