Home / 21,807,941-30,095,164.02-12,018,737.66

Finding the Fourth Proportional to 21,807,941, 30,095,164.02 and 12,018,737.66

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Solution

The fourth proportional to 21,807,941, 30,095,164.02 and 12,018,737.66 is: 16,585,971.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,807,941 : 30,095,164.02 = 12,018,737.66 : x
  2. Step 2: Convert to fraction form
    21,807,941/30,095,164.02 = 12,018,737.66/x
  3. Step 3: Cross multiply
    21,807,941x = 30,095,164.02 × 12,018,737.66
  4. Step 4: Simplify right side
    21,807,941x = 361,705,881,191,051
  5. Step 5: Solve for x
    x = 361,705,881,191,051/21,807,941
  6. Step 6: Final answer
    x = 16,585,971.19

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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.