Home / 19,183,364.42-26,490,721.40-12,319,803.50

Finding the Fourth Proportional to 19,183,364.42, 26,490,721.40 and 12,319,803.50

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Solution

The fourth proportional to 19,183,364.42, 26,490,721.40 and 12,319,803.50 is: 17,012,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183,364.42 : 26,490,721.40 = 12,319,803.50 : x
  2. Step 2: Convert to fraction form
    19,183,364.42/26,490,721.40 = 12,319,803.50/x
  3. Step 3: Cross multiply
    19,183,364.42x = 26,490,721.40 × 12,319,803.50
  4. Step 4: Simplify right side
    19,183,364.42x = 326,360,482,221,244.88
  5. Step 5: Solve for x
    x = 326,360,482,221,244.88/19,183,364.42
  6. Step 6: Final answer
    x = 17,012,682.19

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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.