Finding the Fourth Proportional to 51,323,454, 76,985,280.09 and 12,461,742.18
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Solution
The fourth proportional to 51,323,454, 76,985,280.09 and 12,461,742.18 is: 18,692,637.33
Step by Step Solution
- Step 1: Write the proportion equation
51,323,454 : 76,985,280.09 = 12,461,742.18 : x - Step 2: Convert to fraction form
51,323,454/76,985,280.09 = 12,461,742.18/x - Step 3: Cross multiply
51,323,454x = 76,985,280.09 × 12,461,742.18 - Step 4: Simplify right side
51,323,454x = 959,370,712,136,667.25 - Step 5: Solve for x
x = 959,370,712,136,667.25/51,323,454 - Step 6: Final answer
x = 18,692,637.33
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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.