Home / 12,154,974.16-16,779,029.16-7,573,559.08

Finding the Fourth Proportional to 12,154,974.16, 16,779,029.16 and 7,573,559.08

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Solution

The fourth proportional to 12,154,974.16, 16,779,029.16 and 7,573,559.08 is: 10,454,729.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,974.16 : 16,779,029.16 = 7,573,559.08 : x
  2. Step 2: Convert to fraction form
    12,154,974.16/16,779,029.16 = 7,573,559.08/x
  3. Step 3: Cross multiply
    12,154,974.16x = 16,779,029.16 × 7,573,559.08
  4. Step 4: Simplify right side
    12,154,974.16x = 127,076,968,648,302.78
  5. Step 5: Solve for x
    x = 127,076,968,648,302.78/12,154,974.16
  6. Step 6: Final answer
    x = 10,454,729.64

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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.