Home / 39,869,924.58-55,020,494.31-21,535,210.08

Finding the Fourth Proportional to 39,869,924.58, 55,020,494.31 and 21,535,210.08

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Solution

The fourth proportional to 39,869,924.58, 55,020,494.31 and 21,535,210.08 is: 29,718,589.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,869,924.58 : 55,020,494.31 = 21,535,210.08 : x
  2. Step 2: Convert to fraction form
    39,869,924.58/55,020,494.31 = 21,535,210.08/x
  3. Step 3: Cross multiply
    39,869,924.58x = 55,020,494.31 × 21,535,210.08
  4. Step 4: Simplify right side
    39,869,924.58x = 1,184,877,903,671,294.50
  5. Step 5: Solve for x
    x = 1,184,877,903,671,294.50/39,869,924.58
  6. Step 6: Final answer
    x = 29,718,589.04

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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.