Home / 30,502,046.64-42,077,259.99-19,477,204.68

Finding the Fourth Proportional to 30,502,046.64, 42,077,259.99 and 19,477,204.68

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Solution

The fourth proportional to 30,502,046.64, 42,077,259.99 and 19,477,204.68 is: 26,868,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,502,046.64 : 42,077,259.99 = 19,477,204.68 : x
  2. Step 2: Convert to fraction form
    30,502,046.64/42,077,259.99 = 19,477,204.68/x
  3. Step 3: Cross multiply
    30,502,046.64x = 42,077,259.99 × 19,477,204.68
  4. Step 4: Simplify right side
    30,502,046.64x = 819,547,405,198,804.75
  5. Step 5: Solve for x
    x = 819,547,405,198,804.75/30,502,046.64
  6. Step 6: Final answer
    x = 26,868,603.77

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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.