Home / 28,506,408.53-42,756,670.49-19,343,216.16

Finding the Fourth Proportional to 28,506,408.53, 42,756,670.49 and 19,343,216.16

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Solution

The fourth proportional to 28,506,408.53, 42,756,670.49 and 19,343,216.16 is: 29,012,827.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,506,408.53 : 42,756,670.49 = 19,343,216.16 : x
  2. Step 2: Convert to fraction form
    28,506,408.53/42,756,670.49 = 19,343,216.16/x
  3. Step 3: Cross multiply
    28,506,408.53x = 42,756,670.49 × 19,343,216.16
  4. Step 4: Simplify right side
    28,506,408.53x = 827,051,519,473,247
  5. Step 5: Solve for x
    x = 827,051,519,473,247/28,506,408.53
  6. Step 6: Final answer
    x = 29,012,827.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.