Home / 19,725,148.19-27,218,347.02-10,903,407.78

Finding the Fourth Proportional to 19,725,148.19, 27,218,347.02 and 10,903,407.78

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Solution

The fourth proportional to 19,725,148.19, 27,218,347.02 and 10,903,407.78 is: 15,045,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725,148.19 : 27,218,347.02 = 10,903,407.78 : x
  2. Step 2: Convert to fraction form
    19,725,148.19/27,218,347.02 = 10,903,407.78/x
  3. Step 3: Cross multiply
    19,725,148.19x = 27,218,347.02 × 10,903,407.78
  4. Step 4: Simplify right side
    19,725,148.19x = 296,772,736,656,607.81
  5. Step 5: Solve for x
    x = 296,772,736,656,607.81/19,725,148.19
  6. Step 6: Final answer
    x = 15,045,399.60

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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.