Home / 30,502,050.90-42,077,265.84-19,477,208.94

Finding the Fourth Proportional to 30,502,050.90, 42,077,265.84 and 19,477,208.94

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Solution

The fourth proportional to 30,502,050.90, 42,077,265.84 and 19,477,208.94 is: 26,868,609.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,502,050.90 : 42,077,265.84 = 19,477,208.94 : x
  2. Step 2: Convert to fraction form
    30,502,050.90/42,077,265.84 = 19,477,208.94/x
  3. Step 3: Cross multiply
    30,502,050.90x = 42,077,265.84 × 19,477,208.94
  4. Step 4: Simplify right side
    30,502,050.90x = 819,547,698,389,604.75
  5. Step 5: Solve for x
    x = 819,547,698,389,604.75/30,502,050.90
  6. Step 6: Final answer
    x = 26,868,609.62

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1.5x scale

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.