Home / 10,390,421.96-14,339,418.90-5,807,109.32

Finding the Fourth Proportional to 10,390,421.96, 14,339,418.90 and 5,807,109.32

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Solution

The fourth proportional to 10,390,421.96, 14,339,418.90 and 5,807,109.32 is: 8,014,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390,421.96 : 14,339,418.90 = 5,807,109.32 : x
  2. Step 2: Convert to fraction form
    10,390,421.96/14,339,418.90 = 5,807,109.32/x
  3. Step 3: Cross multiply
    10,390,421.96x = 14,339,418.90 × 5,807,109.32
  4. Step 4: Simplify right side
    10,390,421.96x = 83,270,573,137,574.16
  5. Step 5: Solve for x
    x = 83,270,573,137,574.16/10,390,421.96
  6. Step 6: Final answer
    x = 8,014,166.65

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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.