Home / 39,905,018.34-55,068,900.94-21,570,303.84

Finding the Fourth Proportional to 39,905,018.34, 55,068,900.94 and 21,570,303.84

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Solution

The fourth proportional to 39,905,018.34, 55,068,900.94 and 21,570,303.84 is: 29,767,006.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,905,018.34 : 55,068,900.94 = 21,570,303.84 : x
  2. Step 2: Convert to fraction form
    39,905,018.34/55,068,900.94 = 21,570,303.84/x
  3. Step 3: Cross multiply
    39,905,018.34x = 55,068,900.94 × 21,570,303.84
  4. Step 4: Simplify right side
    39,905,018.34x = 1,187,852,925,410,661.50
  5. Step 5: Solve for x
    x = 1,187,852,925,410,661.50/39,905,018.34
  6. Step 6: Final answer
    x = 29,767,006.13

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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.