Home / 30,262,319.40-41,774,886.82-20,344,953.80

Finding the Fourth Proportional to 30,262,319.40, 41,774,886.82 and 20,344,953.80

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Solution

The fourth proportional to 30,262,319.40, 41,774,886.82 and 20,344,953.80 is: 28,084,699.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,262,319.40 : 41,774,886.82 = 20,344,953.80 : x
  2. Step 2: Convert to fraction form
    30,262,319.40/41,774,886.82 = 20,344,953.80/x
  3. Step 3: Cross multiply
    30,262,319.40x = 41,774,886.82 × 20,344,953.80
  4. Step 4: Simplify right side
    30,262,319.40x = 849,908,142,249,539
  5. Step 5: Solve for x
    x = 849,908,142,249,539/30,262,319.40
  6. Step 6: Final answer
    x = 28,084,699.36

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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.