Finding the Fourth Proportional to 11,781,510.96, 16,258,581.99 and 6,624,827.40
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Solution
The fourth proportional to 11,781,510.96, 16,258,581.99 and 6,624,827.40 is: 9,142,316.28
Step by Step Solution
- Step 1: Write the proportion equation
11,781,510.96 : 16,258,581.99 = 6,624,827.40 : x - Step 2: Convert to fraction form
11,781,510.96/16,258,581.99 = 6,624,827.40/x - Step 3: Cross multiply
11,781,510.96x = 16,258,581.99 × 6,624,827.40 - Step 4: Simplify right side
11,781,510.96x = 107,710,299,452,498.53 - Step 5: Solve for x
x = 107,710,299,452,498.53/11,781,510.96 - Step 6: Final answer
x = 9,142,316.28
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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.