Home / 10,290,518.40-14,201,788.32-5,708,316

Finding the Fourth Proportional to 10,290,518.40, 14,201,788.32 and 5,708,316

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Solution

The fourth proportional to 10,290,518.40, 14,201,788.32 and 5,708,316 is: 7,877,960.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290,518.40 : 14,201,788.32 = 5,708,316 : x
  2. Step 2: Convert to fraction form
    10,290,518.40/14,201,788.32 = 5,708,316/x
  3. Step 3: Cross multiply
    10,290,518.40x = 14,201,788.32 × 5,708,316
  4. Step 4: Simplify right side
    10,290,518.40x = 81,068,295,495,669.12
  5. Step 5: Solve for x
    x = 81,068,295,495,669.12/10,290,518.40
  6. Step 6: Final answer
    x = 7,877,960.31

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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.