Finding the Fourth Proportional to 37,358,439.40, 56,037,659.10 and 13,124,729.80
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Solution
The fourth proportional to 37,358,439.40, 56,037,659.10 and 13,124,729.80 is: 19,687,094.70
Step by Step Solution
- Step 1: Write the proportion equation
37,358,439.40 : 56,037,659.10 = 13,124,729.80 : x - Step 2: Convert to fraction form
37,358,439.40/56,037,659.10 = 13,124,729.80/x - Step 3: Cross multiply
37,358,439.40x = 56,037,659.10 × 13,124,729.80 - Step 4: Simplify right side
37,358,439.40x = 735,479,134,312,011.25 - Step 5: Solve for x
x = 735,479,134,312,011.25/37,358,439.40 - Step 6: Final answer
x = 19,687,094.70
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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.