Home / 15,774,221.90-21,772,058.27-9,249,953.24

Finding the Fourth Proportional to 15,774,221.90, 21,772,058.27 and 9,249,953.24

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Solution

The fourth proportional to 15,774,221.90, 21,772,058.27 and 9,249,953.24 is: 12,767,065.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774,221.90 : 21,772,058.27 = 9,249,953.24 : x
  2. Step 2: Convert to fraction form
    15,774,221.90/21,772,058.27 = 9,249,953.24/x
  3. Step 3: Cross multiply
    15,774,221.90x = 21,772,058.27 × 9,249,953.24
  4. Step 4: Simplify right side
    15,774,221.90x = 201,390,520,780,945.22
  5. Step 5: Solve for x
    x = 201,390,520,780,945.22/15,774,221.90
  6. Step 6: Final answer
    x = 12,767,065.29

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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.