Home / 13,142,256.40-19,701,574.80-8,347,477.60

Finding the Fourth Proportional to 13,142,256.40, 19,701,574.80 and 8,347,477.60

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Solution

The fourth proportional to 13,142,256.40, 19,701,574.80 and 8,347,477.60 is: 12,513,715.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142,256.40 : 19,701,574.80 = 8,347,477.60 : x
  2. Step 2: Convert to fraction form
    13,142,256.40/19,701,574.80 = 8,347,477.60/x
  3. Step 3: Cross multiply
    13,142,256.40x = 19,701,574.80 × 8,347,477.60
  4. Step 4: Simplify right side
    13,142,256.40x = 164,458,454,327,724.47
  5. Step 5: Solve for x
    x = 164,458,454,327,724.47/13,142,256.40
  6. Step 6: Final answer
    x = 12,513,715.25

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1.5x scale

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.