Home / 10,427,464.21-14,390,752.76-5,782,703.89

Finding the Fourth Proportional to 10,427,464.21, 14,390,752.76 and 5,782,703.89

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Solution

The fourth proportional to 10,427,464.21, 14,390,752.76 and 5,782,703.89 is: 7,980,603.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427,464.21 : 14,390,752.76 = 5,782,703.89 : x
  2. Step 2: Convert to fraction form
    10,427,464.21/14,390,752.76 = 5,782,703.89/x
  3. Step 3: Cross multiply
    10,427,464.21x = 14,390,752.76 × 5,782,703.89
  4. Step 4: Simplify right side
    10,427,464.21x = 83,217,461,943,760.11
  5. Step 5: Solve for x
    x = 83,217,461,943,760.11/10,427,464.21
  6. Step 6: Final answer
    x = 7,980,603.94

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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.