Home / 10,020,038.80-15,018,248.40-7,492,741.60

Finding the Fourth Proportional to 10,020,038.80, 15,018,248.40 and 7,492,741.60

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Solution

The fourth proportional to 10,020,038.80, 15,018,248.40 and 7,492,741.60 is: 11,230,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020,038.80 : 15,018,248.40 = 7,492,741.60 : x
  2. Step 2: Convert to fraction form
    10,020,038.80/15,018,248.40 = 7,492,741.60/x
  3. Step 3: Cross multiply
    10,020,038.80x = 15,018,248.40 × 7,492,741.60
  4. Step 4: Simplify right side
    10,020,038.80x = 112,527,854,545,813.44
  5. Step 5: Solve for x
    x = 112,527,854,545,813.44/10,020,038.80
  6. Step 6: Final answer
    x = 11,230,281.32

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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.