Home / 19,382,561.20-26,748,113.88-10,681,045.21

Finding the Fourth Proportional to 19,382,561.20, 26,748,113.88 and 10,681,045.21

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Solution

The fourth proportional to 19,382,561.20, 26,748,113.88 and 10,681,045.21 is: 14,739,941.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382,561.20 : 26,748,113.88 = 10,681,045.21 : x
  2. Step 2: Convert to fraction form
    19,382,561.20/26,748,113.88 = 10,681,045.21/x
  3. Step 3: Cross multiply
    19,382,561.20x = 26,748,113.88 × 10,681,045.21
  4. Step 4: Simplify right side
    19,382,561.20x = 285,697,813,634,508.50
  5. Step 5: Solve for x
    x = 285,697,813,634,508.50/19,382,561.20
  6. Step 6: Final answer
    x = 14,739,941.26

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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.