Finding the Fourth Proportional to 48,386,742.30, 72,613,291.05 and 21,479,708.70
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Solution
The fourth proportional to 48,386,742.30, 72,613,291.05 and 21,479,708.70 is: 32,234,291.16
Step by Step Solution
- Step 1: Write the proportion equation
48,386,742.30 : 72,613,291.05 = 21,479,708.70 : x - Step 2: Convert to fraction form
48,386,742.30/72,613,291.05 = 21,479,708.70/x - Step 3: Cross multiply
48,386,742.30x = 72,613,291.05 × 21,479,708.70 - Step 4: Simplify right side
48,386,742.30x = 1,559,712,339,502,317 - Step 5: Solve for x
x = 1,559,712,339,502,317/48,386,742.30 - Step 6: Final answer
x = 32,234,291.16
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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.