Home / 30,390,730.84-41,939,221.51-16,452,085.56

Finding the Fourth Proportional to 30,390,730.84, 41,939,221.51 and 16,452,085.56

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Solution

The fourth proportional to 30,390,730.84, 41,939,221.51 and 16,452,085.56 is: 22,703,885.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,390,730.84 : 41,939,221.51 = 16,452,085.56 : x
  2. Step 2: Convert to fraction form
    30,390,730.84/41,939,221.51 = 16,452,085.56/x
  3. Step 3: Cross multiply
    30,390,730.84x = 41,939,221.51 × 16,452,085.56
  4. Step 4: Simplify right side
    30,390,730.84x = 689,987,660,602,312.38
  5. Step 5: Solve for x
    x = 689,987,660,602,312.38/30,390,730.84
  6. Step 6: Final answer
    x = 22,703,885.08

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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.