Finding the Fourth Proportional to 9,214,387.01, 12,720,457.61 and 5,730,848.66
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Solution
The fourth proportional to 9,214,387.01, 12,720,457.61 and 5,730,848.66 is: 7,911,434.29
Step by Step Solution
- Step 1: Write the proportion equation
9,214,387.01 : 12,720,457.61 = 5,730,848.66 : x - Step 2: Convert to fraction form
9,214,387.01/12,720,457.61 = 5,730,848.66/x - Step 3: Cross multiply
9,214,387.01x = 12,720,457.61 × 5,730,848.66 - Step 4: Simplify right side
9,214,387.01x = 72,899,017,356,598.78 - Step 5: Solve for x
x = 72,899,017,356,598.78/9,214,387.01 - Step 6: Final answer
x = 7,911,434.29
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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.