Home / 12,457,551.60-18,686,327.40-9,938,127.60

Finding the Fourth Proportional to 12,457,551.60, 18,686,327.40 and 9,938,127.60

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Solution

The fourth proportional to 12,457,551.60, 18,686,327.40 and 9,938,127.60 is: 14,907,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,551.60 : 18,686,327.40 = 9,938,127.60 : x
  2. Step 2: Convert to fraction form
    12,457,551.60/18,686,327.40 = 9,938,127.60/x
  3. Step 3: Cross multiply
    12,457,551.60x = 18,686,327.40 × 9,938,127.60
  4. Step 4: Simplify right side
    12,457,551.60x = 185,707,106,076,576.22
  5. Step 5: Solve for x
    x = 185,707,106,076,576.22/12,457,551.60
  6. Step 6: Final answer
    x = 14,907,191.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.