Finding the Fourth Proportional to 28,887,430.68, 39,841,408.71 and 25,395,303.06
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Solution
The fourth proportional to 28,887,430.68, 39,841,408.71 and 25,395,303.06 is: 35,025,082.70
Step by Step Solution
- Step 1: Write the proportion equation
28,887,430.68 : 39,841,408.71 = 25,395,303.06 : x - Step 2: Convert to fraction form
28,887,430.68/39,841,408.71 = 25,395,303.06/x - Step 3: Cross multiply
28,887,430.68x = 39,841,408.71 × 25,395,303.06 - Step 4: Simplify right side
28,887,430.68x = 1,011,784,648,527,773.62 - Step 5: Solve for x
x = 1,011,784,648,527,773.62/28,887,430.68 - Step 6: Final answer
x = 35,025,082.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.