Home / 25,686,267.81-38,535,831.45-7,490,465

Finding the Fourth Proportional to 25,686,267.81, 38,535,831.45 and 7,490,465

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Solution

The fourth proportional to 25,686,267.81, 38,535,831.45 and 7,490,465 is: 11,237,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,686,267.81 : 38,535,831.45 = 7,490,465 : x
  2. Step 2: Convert to fraction form
    25,686,267.81/38,535,831.45 = 7,490,465/x
  3. Step 3: Cross multiply
    25,686,267.81x = 38,535,831.45 × 7,490,465
  4. Step 4: Simplify right side
    25,686,267.81x = 288,651,296,722,124.25
  5. Step 5: Solve for x
    x = 288,651,296,722,124.25/25,686,267.81
  6. Step 6: Final answer
    x = 11,237,572.50

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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.