Finding the Fourth Proportional to 13,056,438.30, 19,572,215.85 and 10,176,207.90
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Solution
The fourth proportional to 13,056,438.30, 19,572,215.85 and 10,176,207.90 is: 15,254,614.85
Step by Step Solution
- Step 1: Write the proportion equation
13,056,438.30 : 19,572,215.85 = 10,176,207.90 : x - Step 2: Convert to fraction form
13,056,438.30/19,572,215.85 = 10,176,207.90/x - Step 3: Cross multiply
13,056,438.30x = 19,572,215.85 × 10,176,207.90 - Step 4: Simplify right side
13,056,438.30x = 199,170,937,553,275.25 - Step 5: Solve for x
x = 199,170,937,553,275.25/13,056,438.30 - Step 6: Final answer
x = 15,254,614.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.