Home / 10,525,678.90-14,539,653.90-7,931,790.12

Finding the Fourth Proportional to 10,525,678.90, 14,539,653.90 and 7,931,790.12

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Solution

The fourth proportional to 10,525,678.90, 14,539,653.90 and 7,931,790.12 is: 10,956,583.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,525,678.90 : 14,539,653.90 = 7,931,790.12 : x
  2. Step 2: Convert to fraction form
    10,525,678.90/14,539,653.90 = 7,931,790.12/x
  3. Step 3: Cross multiply
    10,525,678.90x = 14,539,653.90 × 7,931,790.12
  4. Step 4: Simplify right side
    10,525,678.90x = 115,325,483,152,239.47
  5. Step 5: Solve for x
    x = 115,325,483,152,239.47/10,525,678.90
  6. Step 6: Final answer
    x = 10,956,583.82

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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.