Finding the Fourth Proportional to 19,431,746.60, 29,153,926.34 and 5,785,011.02
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Solution
The fourth proportional to 19,431,746.60, 29,153,926.34 and 5,785,011.02 is: 8,679,394.02
Step by Step Solution
- Step 1: Write the proportion equation
19,431,746.60 : 29,153,926.34 = 5,785,011.02 : x - Step 2: Convert to fraction form
19,431,746.60/29,153,926.34 = 5,785,011.02/x - Step 3: Cross multiply
19,431,746.60x = 29,153,926.34 × 5,785,011.02 - Step 4: Simplify right side
19,431,746.60x = 168,655,785,153,168.25 - Step 5: Solve for x
x = 168,655,785,153,168.25/19,431,746.60 - Step 6: Final answer
x = 8,679,394.02
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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.