Home / 13,047,217.60-19,570,701.86-7,931,060.37

Finding the Fourth Proportional to 13,047,217.60, 19,570,701.86 and 7,931,060.37

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Solution

The fourth proportional to 13,047,217.60, 19,570,701.86 and 7,931,060.37 is: 11,896,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047,217.60 : 19,570,701.86 = 7,931,060.37 : x
  2. Step 2: Convert to fraction form
    13,047,217.60/19,570,701.86 = 7,931,060.37/x
  3. Step 3: Cross multiply
    13,047,217.60x = 19,570,701.86 × 7,931,060.37
  4. Step 4: Simplify right side
    13,047,217.60x = 155,216,417,881,368.81
  5. Step 5: Solve for x
    x = 155,216,417,881,368.81/13,047,217.60
  6. Step 6: Final answer
    x = 11,896,514.85

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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.