Home / 9,111,389.63-12,573,980.12-5,037,271.07

Finding the Fourth Proportional to 9,111,389.63, 12,573,980.12 and 5,037,271.07

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Solution

The fourth proportional to 9,111,389.63, 12,573,980.12 and 5,037,271.07 is: 6,951,579.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111,389.63 : 12,573,980.12 = 5,037,271.07 : x
  2. Step 2: Convert to fraction form
    9,111,389.63/12,573,980.12 = 5,037,271.07/x
  3. Step 3: Cross multiply
    9,111,389.63x = 12,573,980.12 × 5,037,271.07
  4. Step 4: Simplify right side
    9,111,389.63x = 63,338,546,242,954.41
  5. Step 5: Solve for x
    x = 63,338,546,242,954.41/9,111,389.63
  6. Step 6: Final answer
    x = 6,951,579.16

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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.