Home / 19,477,206.55-26,878,571.20-10,657,486.45

Finding the Fourth Proportional to 19,477,206.55, 26,878,571.20 and 10,657,486.45

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Solution

The fourth proportional to 19,477,206.55, 26,878,571.20 and 10,657,486.45 is: 14,707,345.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477,206.55 : 26,878,571.20 = 10,657,486.45 : x
  2. Step 2: Convert to fraction form
    19,477,206.55/26,878,571.20 = 10,657,486.45/x
  3. Step 3: Cross multiply
    19,477,206.55x = 26,878,571.20 × 10,657,486.45
  4. Step 4: Simplify right side
    19,477,206.55x = 286,458,008,359,360.19
  5. Step 5: Solve for x
    x = 286,458,008,359,360.19/19,477,206.55
  6. Step 6: Final answer
    x = 14,707,345.62

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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.